September

The back-to-school month that signals the end of summer and the start of fall, September is a time of transitions.

As we say goodbye to beach trips and hello to textbooks, September brings its own set of holidays and observances to the table. With celebrations like Labor Day in the United States and American Business Women’s Day, September is far from dull. Later in the month, National Hispanic Heritage Month begins, highlighting the history and culture of millions of people. Pull out that content calendar, because you’ve got a range of topics and themes to cover.

But there’s another layer to September. Beyond the barbecues and mooncakes, it’s a month that emphasizes awareness and education. Causes like Suicide Prevention Day and International Literacy Day offer valuable opportunities to engage in more serious dialogue. Whether you’re aiming to educate, entertain, or inspire, September provides a balanced platform for all sorts of content.

Alle augustusdagen

september contentkalender

September / October : Rosh Hashanah

What is Rosh Hashanah? Rosh Hashanah is a global Jewish holiday that marks the Jewish New Year and is celebrated on the first and second …

September / October : Chinese Moon Festival

What is the Chinese Moon Festival? The Chinese Moon Festival, also known as the Mid-Autumn Festival (中秋节), is celebrated annually on the 15th day of …
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September / October: Simchat Torah

What is Simchat Torah? Simchat Torah is a joyous Jewish holiday that marks the completion of the annual cycle of public Torah readings and the …
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August 15 and September 2: V-J Day or Victory over Japan Day

What is V-J Day? V-J Day, or Victory over Japan Day, marks the day when Imperial Japan surrendered to the Allied forces, effectively bringing an …

Last Friday in August: Wear It Purple Day (Australia)

Wear It Purple Day is observed worldwide on the last Friday of August to support the LGBTQIA+ community, particularly queer young people, and to celebrate …
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September: Baby Safety Month

What is Baby Safety Month? Baby Safety Month is observed annually in September and is dedicated to raising awareness about the importance of keeping babies …

September: Chicken Month (United States)

What is Chicken Month? Chicken Month is celebrated every year during the month of September in the United States. This month-long celebration is dedicated to …

September: Better Breakfast Month (United States)

What is Better Breakfast Month? Better Breakfast Month is celebrated every September in the United States, promoting the importance of starting the day with a …

September: Classical Music Month (United States)

What is Classical Music Month? Classical Music Month is celebrated annually in the United States during the month of September. This month-long observance is dedicated …
September: Fall Hat Month

September: Fall Hat Month

What is Fall Hat Month? Fall Hat Month is celebrated annually throughout September to honor the rich tradition and fashion of wearing hats as the …

September: Honey Month (United States)

What is Honey Month? Honey Month is celebrated annually in September in the United States, a time dedicated to promoting the benefits and uses of …
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September: Square Dancing Month

What is International Square Dancing Month? International Square Dancing Month is celebrated every year in September to honor and promote the tradition of square dancing, …

September: Little League Month (United States)

What is Little League Month? Little League Month is celebrated annually in the United States every September, honoring the impact of Little League baseball and …

September: Blueberry Popsicle Month (United States)

What is National Blueberry Popsicle Month? National Blueberry Popsicle Month is celebrated every September in the United States to highlight and enjoy the refreshing taste …
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September: Courtesy Month (United States)

What is National Courtesy Month? National Courtesy Month is celebrated every September in the United States as a time to emphasize the importance of kindness, …
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September: Mushroom Month

What is National Mushroom Month? National Mushroom Month is celebrated every September in the United States to honor and promote the many varieties of mushrooms …

September: Piano Month (United States)

What is National Piano Month? National Piano Month is celebrated every September in the United States to honor and promote the appreciation of the piano, …

September: Self Improvement Month (United States)

What is Self Improvement Month? Self Improvement Month is celebrated every September in the United States, dedicated to encouraging individuals to focus on personal growth …
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September: Sewing Month

What is National Sewing Month? National Sewing Month is celebrated every September in the United States to honor the art and craft of sewing, emphasizing …
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September: Beach Month

What is World Beach Month? World Beach Month is celebrated annually every September to honor the beauty, significance, and enjoyment of beaches around the world …

September: Whole Grains Month (United States)

What is Whole Grains Month? Whole Grains Month is celebrated every September in the United States to promote the health benefits of whole grains and …

September: Childhood Cancer Awareness Month (United States)

What is Childhood Cancer Awareness Month? Childhood Cancer Awareness Month is observed every September in the United States to raise awareness about childhood cancer, honor …

September: Oddfellows Friendship Month (United Kingdom)

What is Oddfellows Friendship Month? Oddfellows Friendship Month is celebrated every September in the United Kingdom to promote the values of friendship, mutual support, and …

September: Sourdough September (United Kingdom)

What is Sourdough September? Sourdough September is celebrated annually in the United Kingdom, dedicated to the art and tradition of sourdough baking. This month-long observance …
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September: Urology Awareness Month

What is Urology Awareness Month? Urology Awareness Month is observed every September in the United States to raise awareness about urological health and the importance …
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September: Alzheimer’s Month

What is World Alzheimer’s Month? World Alzheimer’s Month is observed every September across the globe to raise awareness about Alzheimer’s disease and other forms of …
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September: Blood Cancer Awareness Month

What is Blood Cancer Awareness Month? Blood Cancer Awareness Month is observed every September to raise awareness about blood cancers, including leukemia, lymphoma, and myeloma …
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September: Organic September

What is Organic September? Organic September is a month-long campaign in the United Kingdom dedicated to raising awareness about the benefits of organic farming and …
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September: Spinal Cord Injury Awareness Month

What is Spinal Cord Injury Awareness Month? Spinal Cord Injury Awareness Month is observed every September to bring attention to the challenges faced by individuals …
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September: Suicide Prevention Month

What is Suicide Prevention Month? Suicide Prevention Month is observed every September across the globe to raise awareness about suicide, reduce the stigma surrounding mental …
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September: Happy Cat Month

What is Happy Cat Month? Happy Cat Month, celebrated globally each September, is dedicated to promoting the happiness, health, and well-being of cats. Organized by …

September 1: Emma M. Nutt Day (United States)

What is Emma M. Nutt Day? Emma M. Nutt Day is celebrated annually on September 1st to honor Emma M. Nutt, the first female telephone …

September 1: Cherry Popover Day (United States)

What is National Cherry Popover Day? National Cherry Popover Day is celebrated annually on September 1st in the United States to honor the delightful and …

September 1: Tofu Day (United Kingdom)

What is National Tofu Day? National Tofu Day is celebrated annually on September 1st in the United Kingdom to promote the versatility, health benefits, and …

September 1: Letter Writing Day

What is Letter Writing Day? Letter Writing Day is held every year on September 1 in Japan. This day highlights the value of handwritten communication …

September 1: Primate Day

What is Primate Day? Primate Day is held every year on September 1 worldwide. This day brings attention to the importance of primates in global …

First Monday of September: Labor Day (United States and Canada)

What is Labor Day? Labor Day is a national holiday in the United States, observed annually on the first Monday in September. It honors the …
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September Week 1: Migraine Awareness Week (United Kingdom)

What is Migraine Awareness Week? Migraine Awareness Week is observed annually in the United Kingdom during the first full week of September to raise awareness …

September Week 1: Payroll Week (United States)

What is National Payroll Week? National Payroll Week (NPW) is celebrated annually during the first full week of September in the United States. Established in …
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September 1: Constitution Day (Slovakia)

Constitution Day is observed in Slovakia every September 1, celebrating the adoption of the Slovak Constitution in Bratislava on September 1, 1992. The constitution, which …
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September 1: Revolution Day (Eritrea)

Revolution Day is observed in Eritrea every September 1, commemorating the start of the Eritrean War of Independence led by the Eritrean Liberation Front in …
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September 1: Independence Day (Uzbekistan)

Independence Day in Uzbekistan is observed every September 1, celebrating the country's declaration of independence from the Soviet Union on August 31, 1991. The holiday …
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September 1: Knowledge Day

Knowledge Day is observed on September 1 in many post-Soviet countries, including Armenia, Belarus, Kazakhstan, Russia, Ukraine, Moldova, and Turkmenistan. Established in 1984 in the …
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September 1: Journalist Day (Taiwan)

Journalist Day is observed in Taiwan every September 1 to commemorate the promulgation of the Protection of Journalists and Public Opinion Organizations law in 1933 …
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September 1: Trade Union Action for Peace Day (Tajikistan)

Trade Union Action for Peace Day is observed in Tajikistan every September 1. This official holiday, also known as Trade Union Day, celebrates the vital …

September 1: Hotel Employee Day (United States)

National Hotel Employee Day is observed in the United States every September 1 to honor the nearly 2 million individuals working in the hotel industry …
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September 1: Arbor Day (Peru)

Arbor Day in Peru is observed every September 1 to promote the importance of trees for the ecosystem and encourage reforestation efforts. This day highlights …
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September 1: Flag Day (Honduras)

Flag Day in Honduras is observed every September 1, marking the beginning of the country's independence month. This holiday commemorates the introduction of the first …
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September 1: Disaster Prevention Day

Disaster Prevention Day is observed in Japan every September 1, commemorating the anniversary of the Great Kantō earthquake that struck Honshu on this date in …

September 1: Veterans Day (Poland)

Veterans Day in Poland is observed on September 1 every year, commemorating the defenders of the homeland and honoring those who lost their lives during …

September 1: Wattle Day (Australia)

Wattle Day is observed in Australia every September 1, marking the first day of spring in the Southern Hemisphere. This holiday celebrates the blooming of …

September 1: Baguio City Day (Philippines)

Baguio City Day, observed in Baguio, Cordillera Administrative Region, Philippines, is celebrated every September 1 to commemorate the city's conversion from a municipality to a …

September 1: Jasaan Day (Philippines)

Jasaan Day (Araw ng Jasaan) is observed in the municipality of Jasaan, Misamis Oriental, Philippines, every September 1. This special non-working holiday commemorates the founding …

September 1: Gregorio L. Aglipay Day (Philippines)

Gregorio L. Aglipay Day is observed in Batac, Philippines, every September 1 to commemorate the death anniversary of Gregorio L. Aglipay, the first head of …

September 1: Acne Positivity Day (United States)

National Acne Positivity Day is observed worldwide every September 1. Established in 2020 by La Roche-Posay, a skincare brand specializing in products for sensitive and …
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September 1: Cap Classique Day (South Africa)

Cap Classique Day is observed in South Africa every September 1 to celebrate South African sparkling wines produced using the traditional method. This holiday was …

Martyrdom of Imam Hasan al-Askari (Iran)

The Martyrdom of Imam Hasan al-Askari is observed in Iran on the 8th day of the month of Rabi al-awwal, commemorating the 11th Imam of …

September 2: Coconut Day

What is World Coconut Day? World Coconut Day is held every year on September 2 worldwide. The day highlights the importance of the coconut in …

First Tuesday of September: Sustainable Tuesday (Netherlands)

What is Sustainable Tuesday (Duurzame Dinsdag)? Sustainable Tuesday (Duurzame Dinsdag) is an annual event held on the first Tuesday of September in the Netherlands. It …
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September 2: Day of Vietnam (Vietnam)

National Day of Vietnam is observed nationwide on September 2, commemorating the end of Japanese occupation and the country's independence from France in 1945. The …

September 2: Day of Russian Guards Units (Russia)

The Day of Russian Guards Units is observed in Russia on September 2 each year. Established by President Vladimir Putin in December 2000, the holiday …

September 2: Patrol Police Day (Russia)

Patrol Police Day is observed in Russia every year on September 2. This professional holiday commemorates the issuance of the “Instruction for Patrol Militsioners” in …
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September 2: Notaries Day (Ukraine)

Notaries Day is observed in Ukraine every September 2. Established in 2010 by President Victor Yuschenko, this professional holiday recognizes the contributions of civil-law notaries …
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September 2: Democracy Day (Tibet)

Tibetan Democracy Day is observed every September 2 by the Tibetan community in exile. This holiday commemorates the establishment of the Parliament of the Central …

September 2: Nueva Ecija Day (Philippines)

Nueva Ecija Day, or Araw ng Nueva Ecija, is observed in the Philippine province of Nueva Ecija every September 2 as a special non-working holiday …

September 2: Simeón Ola Day (Philippines)

Simeón Ola Day is observed in Albay, Philippines, every September 2 to commemorate the birthday of Simeón Ola y Arboleda, the last Filipino general to …

September 2: Blueberry Popsicle Day (United States)

National Blueberry Popsicle Day is celebrated on September 2 every year, primarily in the USA. This unofficial holiday encourages people to indulge in blueberry popsicles, …

Ramdev Jayanti and Teja Dashmi (India)

Ramdev Jayanti and Teja Dashmi are celebrated in Rajasthan, India, every year. These traditional holidays honor two revered Hindu deities, Veer Teja and Ramdev Pir …

September 3: Skyscraper Day (United States)

What is Skyscraper Day? Skyscraper Day is held every year on September 3 in the United States. This observance celebrates the towering structures that define …
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September 3: Republic Day (San Marino)

Republic Day, also known as the Feast of San Marino and the Republic, is a significant national holiday observed in San Marino every September 3 …
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September 3: Tokehega Day (Tokelau)

Tokehega Day is observed in Tokelau every September 3, commemorating the anniversary of the Treaty of Tokehega, which was signed on December 2, 1980, to …
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September 3: Army Day (Moldova)

National Army Day is observed in Moldova on September 3 every year to commemorate the establishment of the Armed Forces of Moldova in 1991, shortly …
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September 3: Armed Forces Day (Taiwan)

Armed Forces Day is observed in Taiwan every September 3, commemorating the victory over Japan in World War II. This date marks the official end …
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September 3: Civil Aviation Day (Tajikistan)

Civil Aviation Day is observed in Tajikistan every September 3, celebrating the contributions of civil aviation employees, including pilots, flight attendants, and air traffic controllers …
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September 3: Guard Day (Tajikistan)

National Guard Day is observed in Tajikistan every September 3 to honor the contributions of the National Guard, a paramilitary unit responsible for ensuring public …

September 3: Anniversary of the End of WWII (Russia)

The anniversary of the end of World War II is observed in Russia on September 3 as an official memorial day, although it is not …

September 3: Solidarity Against Terrorism Day (Russia)

Solidarity Against Terrorism Day is observed in Russia every September 3 to commemorate the tragic events of the Beslan school siege in 2004. On this …

September 3: Japan’s Surrender Day (China, Hong Kong and Philippines)

Japan’s Surrender Day, also known as Victory over Japan Day, is observed worldwide every September 3 to commemorate the surrender of Imperial Japan in World …

September 3: Australian Flag Day (Australia)

Australian National Flag Day is observed in Australia every September 3. This date commemorates the first flying of the Australian National Flag in 1901, when …
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September 3: Independence Day (Qatar)

Independence Day in Qatar is observed on September 3, commemorating the country's independence from the United Kingdom, which was officially recognized on this date in …

September 3: Merchant Navy Day (Canada and United Kingdom)

Merchant Navy Day is observed every September 3 in Great Britain and Canada, serving as a memorial day to honor the contributions and sacrifices of …
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September 3: Levy Mwanawasa Day (Zambia)

Levy Mwanawasa Day is observed in Zambia every September 3 to honor the country's third president, Levy Mwanawasa, who was born on this date in …

September 3 Day of Combat Against British Colonialism (Iran)

The Day of Combat Against British Colonialism is observed in Iran on September 3 each year, commemorating the sacrifice of Rais Ali Delvari, an independence …

September 3: Welsh Rarebit Day (United States)

National Welsh Rarebit Day is observed worldwide on September 3, celebrating the savory dish known as Welsh rarebit, which consists of melted cheese typically served …

First Wednesday in September: Indigenous Literacy Day (Australia)

Indigenous Literacy Day is observed in Australia every first Wednesday of September. This annual campaign is organized by the Indigenous Literacy Foundation (ILF), a not-for-profit …

Karam (Karma) Harvest Festival (India)

The Karam (Karma) Harvest Festival is observed in several Indian states, including Assam, Chhattisgarh, Jharkhand, Madhya Pradesh, Odisha, and West Bengal, and it recurs every …

September 4: Sexual Health Day

What is World Sexual Health Day? World Sexual Health Day is held every year worldwide on September 4. This day is organized to promote accurate …

September 4: Newspaper Carrier Day (United States)

What is Newspaper Carrier Day? Newspaper Carrier Day is celebrated annually on September 4th to honor the contributions of newspaper carriers and delivery workers who …

September 4: Wildlife Day (United States)

What is National Wildlife Day? National Wildlife Day is observed annually on September 4th in the United States to raise awareness about the importance of …
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September 4: Toothfish Day (South Georgia and the South Sandwich Islands)

Toothfish Day is observed in South Georgia and the South Sandwich Islands every September 4. This public holiday was established to highlight the significance of …
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September 4: Taekwondo Day

International Taekwondo Day is observed worldwide every September 4, celebrating the martial art of taekwondo. This observance was initiated by World Taekwondo, formerly known as …
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September 4: PKD Awareness Day

PKD Awareness Day, also known as Polycystic Kidney Disease Awareness Day, is observed worldwide every September 4. This initiative was launched in Canada in 2014 …

September 4: Nuclear Provision Expert’s Day (Russia)

Nuclear Provision Expert's Day is observed in Russia every September 4. Established by presidential decree in 2006, this professional holiday honors experts in the field …
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September 4: Customs Service Worker’s Day (Moldova)

Customs Service Worker's Day is observed in Moldova every September 4. This professional day commemorates the establishment of the Customs Service in independent Moldova, which …
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September 4: Rescuer’s Day (Armenia)

Rescuer's Day is observed in Armenia on September 4 to honor the work of rescuers who respond to emergencies and disasters. Established by the Armenian …
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September 4: Immigrant’s Day (Argentina)

Immigrant's Day is observed annually in Argentina on September 4. This holiday, while not a public holiday, is widely celebrated across the country, highlighting the …
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September 4: Book Day (Tajikistan)

Book Day is observed in Tajikistan every September 4, commemorating the founding anniversary of the National Library of Tajikistan, which officially opened its new building …

September 4: Royal Thai Navy Submarine Memorial Day (Thailand)

Royal Thai Navy Submarine Memorial Day, observed in Thailand every September 4, honors the submarine crews that served in the Royal Thai Navy from 1938 …

September 4: Macadamia Nut Day (United States)

National Macadamia Nut Day is observed worldwide every September 4, celebrating the culinary use of macadamia nuts. Although not true nuts botanically, macadamias are the …

September 4: Spice Blend Day (United States)

National Spice Blend Day is observed worldwide every September 4. Established in 2021 by Angel Gregorio, the founder of The Spice Suite, this holiday celebrates …
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September 4: Cooperation Day (Iran)

Cooperation Day is observed in Iran every year on September 4, corresponding to the 13th day of the month of Shahrivar in the Iranian calendar …
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September 4: Customer Day (Indonesia)

National Customer Day, or Hari Pelanggan Nasional, is observed in Indonesia every September 4. Established in 2003 by entrepreneur Handi Irawan Djuwandi and supported by …
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First Thursday and Friday in September: Engineer’s Day (Tanzania)

Engineer’s Day in Tanzania is observed every year on the first Thursday and Friday of September. This significant event is organized by the Engineers Registration …
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September 5: Be Late for Something Day

What is Be Late for Something Day? Be Late for Something Day, celebrated annually on September 5th in the United States, encourages people to take …

September 5: Cheese Pizza Day (United States)

What is Cheese Pizza Day? Cheese Pizza Day is celebrated annually on September 5th in the United States, honoring the simple yet beloved cheese pizza …
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September 5: Day of Charity

What is International Day of Charity? International Day of Charity is observed annually on September 5th, globally promoting charitable efforts and raising awareness about the …

First Friday of September: Bring Your Manners to Work Day (United States)

What is Bring Your Manners to Work Day? Bring Your Manners to Work Day is celebrated annually on the first Friday of September in the …
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September 5: Mother Teresa Day (Albania)

Mother Teresa Day is a public and national holiday observed in Albania every September 5. This date commemorates the anniversary of Mother Teresa's death in …
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September 5: Samosa Day

World Samosa Day is observed worldwide every September 5 to celebrate the samosa, a popular savory pastry found in many Asian cuisines and East Africa …
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September 5: Spinal Cord Injury Day

World Spinal Cord Injury Day, also known as World SCI Day, is observed worldwide every September 5. It was launched in 2016 by the International …
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September: Egyptian Engineering Day (Egypt)

Egyptian Engineering Day is observed in Egypt every year on September 5. This annual two-day event, organized by the IEEE Egyptian section, serves as an …

September 5: Teachers’ Day (India)

Teachers' Day in India is observed every September 5 to honor the contributions of teachers, commemorating the birth of Sarvepalli Radhakrishnan, a prominent philosopher and …
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September 5: Day of Languages of the Peoples of Kazakhstan (Kazakhstan)

The Day of Languages of the Peoples of Kazakhstan is observed in Kazakhstan every September 5. Established in 1998 by a Presidential Decree, this day …
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September 5: Flag-Flying Day for Denmark’s Deployed Personnel (Denmark)

Flag-Flying Day for Denmark’s Deployed Personnel is observed in Denmark every September 5. This day honors members of the Danish Defense who serve in humanitarian …

September 5: Cellulite Day (United States)

National Cellulite Day is observed worldwide every September 5. It was created to dispel the stigma surrounding cellulite and encourage women to embrace their bodies …
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September 5: Scouts’ Day (Argentina)

Scouts’ Day is observed in Argentina every September 5. This day celebrates the contributions of the Scout movement to the development of young people and …
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First Friday in September: Labor Day (Marshall Islands)

Labor Day is observed in the Marshall Islands every first Friday of September and is one of the most important holidays in the country. The …
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Mawlid

Mawlid, also known as the Birth of the Prophet, is an Islamic observance celebrated on the 12th day of the month of Rabi' al-awwal, with …
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First Friday in September: Art Break Day

Art Break Day is observed worldwide on every first Friday of September. This annual event, coordinated by the non-profit organization Art is Moving, celebrates the …

First Friday of September: Chianti Day (United States)

National Chianti Day is observed worldwide on September 5, celebrating the renowned red wine from the Chianti region in Tuscany, Italy. The holiday was established …

First Friday in September: Lazy Mom’s Day (United States)

National Lazy Mom’s Day is observed in the USA every first Friday of September, celebrating the importance of self-care for mothers. Created to provide moms …
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First Friday in September: Food Bank Day

National Food Bank Day is observed worldwide every first Friday of September to celebrate charitable organizations that combat food insecurity and hunger. The day was …

September 6: Bonaire Day (Day of the Flag)

What is Bonaire Day (Day of the Flag)? Bonaire Day, also known as Dia di Boneiru or Day of the Flag, is celebrated annually on …
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September 6: Fight Procrastination Day

What is Fight Procrastination Day? Fight Procrastination Day, observed annually on September 6th, is a day dedicated to encouraging people to tackle procrastination and boost …

September 6: Read A Book Day (United States)

What is National Read A Book Day? National Read A Book Day is celebrated annually on September 6th in the United States and serves as …

First Saturday of September: Tailgating Day (United States)

What is National Tailgating Day? National Tailgating Day is celebrated annually in the United States on the first Saturday of September, honoring the longstanding tradition …
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First Saturday of September: Beard Day

What is World Beard Day? World Beard Day is celebrated annually on the first Saturday of September, a day dedicated to honoring facial hair and …

First Saturday after Labor Day in September: Carl Garner Federal Lands Cleanup Day (United States)

What is Carl Garner Federal Lands Cleanup Day? Carl Garner Federal Lands Cleanup Day is a U.S. national observance held annually on the first Saturday …

First Weekend of September: Port Days (Netherlands)

What is World Port Days? World Port Days is an annual maritime festival held in Rotterdam, Netherlands, typically during the first weekend of September. It …
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September 6: Armed Forces Day in São Tomé and Príncipe (Sao Tome and Principe)

Armed Forces Day, or Dia das Forças Armadas, is observed in São Tomé and Príncipe every September 6. This public holiday honors the country's military, …
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September 6: Unification Day (Bulgaria)

Unification Day is a Bulgarian public holiday observed every September 6, commemorating the unification of the principality of Bulgaria and the Ottoman province of Eastern …
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September 6: Independence Day (Eswatini and Swaziland)

Independence Day in Eswatini, also known as Somhlolo Day, is observed every September 6 to commemorate the country's independence from Great Britain in 1968. This …
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September 6: Administrative Service Center Employee Day (Ukraine)

Administrative Service Center Employee Day is observed in Ukraine every September 6. This official professional holiday celebrates the contributions of employees working in administrative service …
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September 6: Defense Day (Pakistan)

Defense Day is observed in Pakistan every September 6 to commemorate the Indo-Pakistani War of 1965, honoring those who lost their lives during the conflict …
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September 6: Elcano Day (Spain)

Elcano Day is observed in the Basque Country on September 6 to honor the Basque navigator Juan Sebastián Elcano, who completed the first circumnavigation of …

September 6: Coffee Ice Cream Day (United States)

National Coffee Ice Cream Day is observed worldwide on September 6, celebrating the delicious combination of coffee and ice cream. The holiday appeals to coffee …
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September 6: Younger Sister’s Day

Younger Sister’s Day, known as Imōto no Hi, is observed in Japan every September 6 to celebrate the affection towards younger sisters from siblings and …
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Ghost Festival (China, Taiwan, Singapore, Malaysia and Vietnam)

The Ghost Festival, also known as the Hungry Ghost Festival, is observed in China, Taiwan, Singapore, Malaysia, and Vietnam every year on the 15th day …
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First Saturday of September: Vulture Awareness Day

International Vulture Awareness Day, also known as International Turkey Vulture Day in the Americas, is observed worldwide on the first Saturday in September. Initiated by …

First Saturday in September: Hummingbird Day (United States)

National Hummingbird Day is observed worldwide every first Saturday of September, with the next celebration occurring on September 6. This holiday is dedicated to the …

First Saturday of the Month: Play Outside Day (United States)

National Play Outside Day is observed in the USA on the first Saturday of every month, with the next occurrence on January 4, 2025. This …

September 7: Salami Day (United States)

What is National Salami Day? National Salami Day is celebrated annually on September 7th in the United States, honoring the beloved cured meat known for …

September 7: Neither Rain nor Snow Day (United States)

What is Neither Rain nor Snow Day? Neither Rain nor Snow Day is celebrated annually on September 7th, recognizing the dedication and resilience of postal …
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September 7: Independence Day (Brazil)

What is Brazilian Independence Day? Brazilian Independence Day, celebrated annually on September 7th, marks the day in 1822 when Brazil declared independence from Portugal. The …
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September 7: Victory Day (Mozambique)

Victory Day in Mozambique is observed every September 7 to commemorate the signing of the Lusaka Accord, which officially ended the Mozambican War of Independence …
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September 7: Still’s Disease Awareness Day

Still’s Disease Awareness Day is observed worldwide every September 7 to honor those impacted by Still’s disease, a rare systemic autoinflammatory condition that affects the …

Civil Servant’s Day (Nepal)

Civil Servant's Day, also known as Nijamati Sewa Diwas, is observed in Nepal every year on September 7. This day was first celebrated in 1956 …
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September 7: Air Force Day (Pakistan)

Air Force Day is observed in Pakistan every September 7, commemorating the contributions of the Pakistan Air Force, which was established on August 14, 1947, …
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September 7: Engineer Troops Day (Armenia)

Engineer Troops Day is observed in Armenia every September 7 to commemorate the formation of the Department of the Engineer Troops in 1992. This official …
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September 7: Military Intelligence Day (Ukraine)

Military Intelligence Day is observed in Ukraine every September 7 to commemorate the foundation anniversary of the Main Directorate of Intelligence of the Ministry of …

September 7: Fish Farmer Day (Russia)

Fish Farmer Day is observed in Russia every September 7, celebrating the contributions of employees in the aquaculture sector. The holiday was initiated by the …

September 7: Threatened Species Day (Australia)

National Threatened Species Day is observed in Australia every September 7 to commemorate the extinction of the Tasmanian wolf, also known as the thylacine, which …
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First Sunday in September: Day of Belarusian Written Language (Belarus)

The Day of Belarusian Written Language is observed in the Republic of Belarus every first Sunday of September. Established in 1994 in the city of …

September 7: Grandma Moses Day (United States)

Grandma Moses Day, also known as National Grandma Moses Day, is observed worldwide every September 7 to celebrate the legacy of Anna Mary Robertson Moses, …

September 7: New Hampshire Day (United States)

National New Hampshire Day is observed annually on September 7, celebrating New Hampshire's significance as the ninth of the Thirteen Colonies to ratify the U.S …

September 7: Acorn Squash Day (United States)

National Acorn Squash Day is observed worldwide on September 7 and celebrates the acorn squash, a type of winter squash that resembles an acorn in …
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September 7: Constitution Day (Fiji)

Constitution Day is observed in Fiji every September 7 to commemorate the adoption of the current Constitution, which took effect on September 6, 2013. This …

September 7: Beer Lovers Day (United States)

National Beer Lovers Day is celebrated worldwide every year on September 7. This unofficial holiday honors beer, one of the oldest alcoholic beverages, and the …
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September 7: Duchenne Awareness Day

World Duchenne Awareness Day is observed worldwide every September 7. This international observance is dedicated to Duchenne muscular dystrophy (DMD), a severe X-linked recessive genetic …
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September 7: Day of Clean Air for Blue Skies

The International Day of Clean Air for Blue Skies is observed worldwide every September 7. Established by the United Nations General Assembly, this day aims …
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September 7: Day of Police Cooperation

The International Day of Police Cooperation is observed worldwide every September 7 to commemorate the founding of Interpol and to emphasize the role of law …

September 7: Grateful Patient Day (United States)

National Grateful Patient Day is observed annually on September 7, encouraging individuals to express gratitude towards healthcare professionals, caregivers, and families involved in medical treatment …

September 7: Day of the Battle of Borodino (Russia)

The Day of the Battle of Borodino is observed in Russia on September 8, commemorating the significant engagement that took place on September 7, 1812, …
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First Sunday of September: Day of Jewish Culture

What is the European Day of Jewish Culture? The European Day of Jewish Culture is an annual event celebrated across Europe to promote and preserve …

First Sunday after labor Day September: Grandparent’s Day

What is Grandparent’s Day? Grandparent’s Day is celebrated annually on the first Sunday after Labor Day in the United States, honoring the special bond between …
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First Sunday in September: Day of Oil, Gas and Petroleum Industry (Russia, Belarus, Armenia, Kyrgyzstan, Kazakhstan and Moldova)

The Day of Oil, Gas and Petroleum Industry is observed in several former Soviet republics, including Russia, Belarus, Armenia, Kyrgyzstan, Kazakhstan, and Moldova, on the …
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First Sunday in September: Entrepreneur’s Day (Ukraine)

Entrepreneur's Day is observed in Ukraine every first Sunday of September. Established by President Leonid Kuchma in 1998, this official professional holiday recognizes the contributions …

First Sunday in September: Lake Baikal Day (Russia)

Lake Baikal Day is observed in Russia every first Sunday of September, dedicated to the conservation of Lake Baikal, the world’s largest freshwater lake by …
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First Sunday in September: Mushroom Day (Sweden, Norway and Denmark)

Mushroom Day is observed in Scandinavia, specifically in Denmark, Norway, and Sweden, every first Sunday of September. This day highlights the important role that mushrooms …

First Sunday in September: Father’s Day (Australia)

Father's Day is observed in Australia, New Zealand, Fiji, and Papua New Guinea on the first Sunday of September. This celebration honors fathers and father …
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September 8: Literacy Day

What is International Literacy Day? International Literacy Day is celebrated globally on September 8th, with the goal of raising awareness about the importance of literacy …

September 8: Ampersand Day (United States)

What is National Ampersand Day? National Ampersand Day is celebrated annually on September 8th in the United States, a fun holiday dedicated to the iconic …

September 8: Pardon Day (United States)

What is Pardon Day? Pardon Day is celebrated annually on September 8th in the United States as a day to forgive and seek forgiveness from …

September 8: Star Trek Day

What is Star Trek Day? Star Trek Day is celebrated annually on September 8th, commemorating the premiere of the original Star Trek television series in …
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September 8: Victory Day (Malta)

What is Victory Day in Malta? Victory Day, celebrated annually on September 8th in Malta, marks the end of the Great Siege of 1565, when …
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September 8: Physical Therapy Day

What is World Physical Therapy Day? World Physical Therapy Day is celebrated annually on September 8th across the globe to raise awareness about the crucial …

September: Know Your Numbers Week (United Kingdom)

What is Know Your Numbers Week? Know Your Numbers Week is a health awareness campaign observed annually in the United Kingdom, typically during the first …
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(pattern): Umhlanga (Reed Dance) (Eswatini and Swaziland)

Umhlanga, also known as the Reed Dance, is a significant cultural festival observed in Eswatini (formerly Swaziland) around the last week of August and the …
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September 8: National Day (Andorra)

National Day in Andorra is observed every September 8 to honor Our Lady of Meritxell, the patron saint of Andorra. This holiday commemorates a statue …
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September 8: Independence Day (North Macedonia)

Independence Day in North Macedonia is observed every September 8 to commemorate the country's declaration of independence from Yugoslavia in 1991. This significant holiday marks …
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September 8: Nativity of the Blessed Virgin Mary

The Nativity of the Blessed Virgin Mary, celebrated worldwide on September 8, commemorates the birthday of Saint Mary, mother of Jesus. Although the exact date …
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September 8: Lissencephaly Awareness Day

Lissencephaly Awareness Day is observed worldwide every September 8 to promote understanding of lissencephaly, a rare brain disorder characterized by a lack of folds and …

September 8: Financier’s Day (Russia)

Financier's Day is observed in Russia every September 8, celebrating professionals in the financial sector. Established by a presidential decree in 2011, this holiday coincides …
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September 8: Volunteer Day (Spain)

Volunteer Day, or Día del Cooperante, is observed in Spain every September 8. This annual event was initiated by the Spanish Agency for International Development …

September 8: Dog Walker Appreciation Day (United States)

National Dog Walker Appreciation Day is observed in the United States every September 8. This day is dedicated to thanking dog walkers for their essential …

September 8: Pediatric Hematology/Oncology Nurses Day (United States)

National Pediatric Hematology/Oncology Nurses Day is observed worldwide every September 8. This day was established by the Association of Pediatric Hematology/Oncology Nurses (APHON) to honor …

September 8: Iguana Awareness Day (United States)

National Iguana Awareness Day is observed worldwide every September 8. This holiday celebrates iguanas, which are lizards native to tropical areas of the Americas and …
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September 8: Kosrae Liberation Day (Micronesia)

Kosrae Liberation Day is observed in the state of Kosrae, part of the Federated States of Micronesia, every September 8. This holiday commemorates the liberation …
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September 8: Coronation Anniversary of Vytautas the Great (Lithuania)

The Coronation Anniversary of Vytautas the Great is observed in Lithuania every September 8. This unofficial observance commemorates Vytautas, a national hero and one of …
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September 8: Asturias Day (Spain)

Asturias Day is observed in the autonomous community of Asturias in northwest Spain every September 8. This official holiday coincides with the feast day of …
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September 8: Extremadura Day (Spain)

Extremadura Day is observed in the autonomous community of Extremadura in Spain every September 8. This public holiday coincides with the feast day of Our …
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September 9: Sudoku Day

What is International Sudoku Day? International Sudoku Day is celebrated annually on September 9th to honor the popular number puzzle game, Sudoku. This day provides …

September 9: Teddy Bear Day

What is Teddy Bear Day? Teddy Bear Day is celebrated annually on September 9th, particularly in the United States, as a tribute to one of …

September 9: Day of Birth (Dag van de Geboorte)

What is the Day of Birth? The Day of Birth, or Dag van de Geboorte, is celebrated annually on September 9th in the Netherlands. This …

September: Air Ambulance Week

What is Air Ambulance Week? Air Ambulance Week is celebrated annually across the United Kingdom in September. This week is dedicated to raising awareness and …

September Week 2: United Kingdom Savings Week

What is United Kingdom Savings Week? United Kingdom Savings Week is celebrated annually during the second week of September. This week is dedicated to promoting …

September: Waste-Free Week (Verspillingsvrije Week)

What is Waste-Free Week? Waste-Free Week, or Verspillingsvrije Week, is an annual campaign in the Netherlands aimed at reducing food waste. Held every September, the …
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September 9: Independence Day (Tajikistan)

Independence Day in Tajikistan is observed nationwide every September 9, commemorating the country's independence from the Soviet Union, officially proclaimed on this date in 1991 …
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September 9: Independence Day (North Korea)

Independence Day in North Korea is observed on September 9 each year, commemorating the official establishment of the Democratic People's Republic of Korea (DPRK) in …
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September 9: Beauty Day

International Beauty Day is observed worldwide every September 9. This annual event was initiated by the Russian section of the International Committee of Aesthetics and …
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September 9: Box Wine Day

International Box Wine Day is observed worldwide every September 9, celebrating box wine, also known as bag-in-box wine. This holiday was launched in 2021 by …
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September 9: Fetal Alcohol Spectrum Disorders Awareness Day

International Fetal Alcohol Spectrum Disorders Awareness Day, also known as International FASD Day, is observed worldwide every September 9 to educate the public about the …
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September 9: 9p Minus Awareness Day

International 9p Minus Awareness Day is observed worldwide every September 9 to educate the public about 9p deletion syndrome, a rare chromosomal disorder caused by …
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September 9: Administrators’ Day (Brazil)

Administrators’ Day, or Dia do Administrador, is observed in Brazil every September 9. This professional holiday honors individuals involved in the administration of various organizations, …

September 9: Emergency Services Day (United Kingdom)

Emergency Services Day, also known as 999 Day, is observed in the United Kingdom every September 9. The event celebrates the contributions of individuals who …
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September 9: State Security Employees Day (Moldova)

State Security Employees Day is observed in Moldova every September 9 to commemorate the anniversary of the Ministry of National Security's establishment. This professional holiday …

September 9: Thung Yai-Huai Kha Khaeng Wildlife Sanctuaries Day (Thailand)

Thung Yai-Huai Kha Khaeng Wildlife Sanctuaries Day is observed in Thailand every September 9 to celebrate the significance of the Thung Yai Naresuan and Huai …

September 9: Chrysanthemum Day (Japan)

Chrysanthemum Day, also known as Kiku no Sekku, is observed in Japan every September 9. This cultural festival celebrates the chrysanthemum, a symbol of the …
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September 9: Sports Day (Indonesia)

National Sports Day (Hari Olahraga Nasional) is observed in Indonesia every September 9, commemorating the opening ceremony of the first National Sports Week in 1948 …
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September 9: Memorial Day for the Victims of the Crimean War (Russia and Ukraine)

Memorial Day for the Victims of the Crimean War is observed in Russia and Ukraine on September 9. This day commemorates the Siege of Sevastopol, …
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September 9: İzmir Independence Day (Turkey)

İzmir Independence Day is observed in Turkey on September 9 every year, commemorating the liberation of Smyrna (now İzmir) from Greek occupation in 1922 by …
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September 9: Day of the Victims of Holocaust and of Racial Violence (Slovakia)

The Day of the Victims of Holocaust and of Racial Violence is observed in Slovakia every September 9. This remembrance day commemorates the issuance of …

September 9: California Admission Day (United States)

California Admission Day is observed in the state of California every September 9 to commemorate the day in 1850 when California joined the United States …

September 9: Osmeña Day (Philippines)

Osmeña Day, observed in Cebu, Philippines, every September 9, commemorates the birthday of Sergio Osmeña Sr., the fourth President of the Philippines, born in Cebu …

September 9: Mina Foundation Day (Philippines)

Mina Foundation Day, or Araw ng Pagkatatag ng Bayan ng Mina, is observed in the municipality of Mina, Iloilo, Philippines, on September 9 each year …

September 9: Wiener Schnitzel Day (United States)

National Wiener Schnitzel Day is observed worldwide on September 9 each year, celebrating the traditional Austrian dish known as Wiener Schnitzel, which translates to "Viennese …
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September 9: Martyrs Day (Afghanistan)

Martyrs Day is observed in Afghanistan every September 9 to honor the memory of Ahmad Shah Massoud, a prominent political and military leader known as …

September 9: Steak Au Poivre Day (United States)

Steak Au Poivre Day is observed worldwide every September 9, celebrating the French dish steak au poivre, also known as pepper steak. This dish features …
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September 9: Day to Protect Education from Attack

The International Day to Protect Education from Attack is observed worldwide on September 9 each year. Established in 2020, this UN international observance aims to …
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September 9: Children’s Day (Costa Rica)

Children's Day (Día del Niño) is observed in Costa Rica every September 9. Established in 1946, this day aims to recognize and guarantee the rights …
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September 10: Sewing Machine Day (United States)

What is Sewing Machine Day? Sewing Machine Day is celebrated twice a year, on June 13th and September 10th, in the United States. It honors …

September 10: Swap Ideas Day (United States)

What is Swap Ideas Day? Swap Ideas Day is celebrated annually on September 10th in the United States, encouraging people to share and exchange ideas …
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September 10: Technical Analyst Day

What is International Technical Analyst Day? International Technical Analyst Day is celebrated annually on September 10th to honor the contributions of technical analysts in the …
March 21: Cluster Headache Awareness Day

September 10: Suicide Prevention Day

What is World Suicide Prevention Day? World Suicide Prevention Day is observed annually on September 10th around the world. This day is dedicated to raising …
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September 10: National Day (Belize)

National Day in Belize is observed on September 10 every year, commemorating the day in 1798 when Belize gained independence from Spain. This holiday marks …
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September 10: National Day (Gibraltar)

National Day is observed in Gibraltar every September 10, commemorating the 25th anniversary of the first sovereignty referendum held in 1967, where voters chose to …

September 10: Feast of Saint Nicholas of Tolentino (Bonok-Bonok Festival) (Philippines)

The Feast of Saint Nicholas of Tolentino, also known as the Bonok-Bonok Festival, is observed in Surigao City, Philippines, every September 10. This festival honors …
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September 10: Port Wine Day

International Port Wine Day is observed worldwide every January 27, celebrating the unique Portuguese fortified wine known as port, produced exclusively in the Douro Valley …

September 10: Teachers’ Day (China and Hong Kong)

Teachers’ Day is observed in China every September 10 to show respect and appreciation for the work of teachers and educators. This holiday was officially …
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September 10: Amerindian Heritage Day (Guyana)

Amerindian Heritage Day is observed in Guyana every September 10, celebrating the heritage of the indigenous peoples of the country. This day commemorates the election …

September 10: San Jose del Monte Foundation Day (Philippines)

San Jose del Monte Foundation Day is observed in San Jose del Monte, Bulacan, Philippines, every September 10. This special nonworking holiday commemorates the city's …

September 10: TV Dinner Day (United States)

National TV Dinner Day is observed in the United States every September 10. This day celebrates the convenience of TV dinners, which are pre-packaged refrigerated …

September 10: Caramel Cheesecake Day (United States)

Caramel Cheesecake Day, observed worldwide every September 10, celebrates the creamy dessert topped with caramel sauce. The holiday highlights the evolution of cheesecake, which has …
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September 10: Children’s Day (Honduras)

Children's Day, known as Día de los Niños, is observed in Honduras every September 10. This popular holiday celebrates children, allowing them to enjoy special …

Birth of Prophet Muhammad and of Imam Jafar al-Sadiq (Iran)

On September 10, Iranian Muslims celebrate the birth of Prophet Muhammad and Imam Jafar al-Sadiq, observed on the 17th day of Rabi’ al-awwal in the …

September 11: Patriot Day (9/11 Remembrance United States)

What is 9/11 Remembrance? 9/11 Remembrance, also known as Patriot Day, is observed annually on September 11th in the United States to honor the victims …
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September 11: Make Your Bed Day (United States)

What is Make Your Bed Day? Make Your Bed Day is celebrated annually on September 11th in the United States, encouraging people to start their …

September 11: No News is Good News Day (United States)

What is No News is Good News Day? No News is Good News Day is observed annually on September 11th in the United States, encouraging …

September 11: Emergency Number Day (United States)

What is Emergency Number Day? Emergency Number Day is observed annually on September 11th in the United States to honor the 9-1-1 emergency system and …

September 11: Hot Cross Buns Day (United States)

What is National Hot Cross Buns Day? National Hot Cross Buns Day is celebrated annually on September 11th in the United States to honor the …
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September 11: La Diada (Catalonia Day)

Catalonia National Day, known as La Diada, is celebrated annually on September 11th in Catalonia, a region in northeastern Spain. This day commemorates the fall …
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September 11: Enkutatash (Eritrea, Ethiopia and Ethiopian New Year)

Enkutatash, or Ethiopian New Year, is celebrated in Ethiopia and Eritrea on September 11 (or September 12 during leap years) each year. This holiday marks …
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September 11: Our Lady of Coromoto Day (Venezuela)

Our Lady of Coromoto Day is observed in Venezuela every September 11. This day celebrates Our Lady of Coromoto, the patroness of Venezuela, whose image …
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September 11: Teachers’ Day (Argentina)

Teachers' Day is observed in Argentina every September 11 to honor Domingo Faustino Sarmiento, the seventh president of the country and a significant figure in …
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September 11: Radio Day (Indonesia)

National Radio Day (Hari Radio Nasional) is observed in Indonesia every September 11 to commemorate the establishment of Radio Republik Indonesia (RRI) in 1945. This …

September 11: Battle of Tendra Day (Russia)

Battle of Tendra Day is observed in the Russian Armed Forces on September 11 to commemorate the naval Battle of Tendra, which occurred during the …
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September 11: Death Anniversary of Muhammad Ali Jinnah (Pakistan)

The death anniversary of Muhammad Ali Jinnah is observed in Pakistan every September 11. This day honors Jinnah, known as Quaid-i-Azam or the Great Leader, …
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September 11: Jeûne genevois (Switzerland)

Jeûne genevois, also known as the Genevan fast or Genevan patriotic fast, is observed in the Swiss canton of Geneva every year on the Thursday …
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September 11: Pohnpei Liberation Day (Micronesia)

Pohnpei Liberation Day is observed in the Micronesian state of Pohnpei every September 11, commemorating the liberation of the island from Japanese occupation in 1945 …
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September 11: 1973 Coup Anniversary (Chile)

Every September 11, Chileans commemorate the anniversary of the 1973 coup d'état that deposed President Salvador Allende and initiated a seventeen-year military dictatorship led by …

September 11: Marcos Day (Philippines)

Marcos Day is observed in Ilocos Norte, Philippines, every September 11, commemorating the birthday of Ferdinand Marcos, who was born on this date in 1917 …

September 11: Day of Sobriety (Russia)

Day of Sobriety is an unofficial holiday observed in Russia every September 11. The holiday was first instituted by the Russian Orthodox Church, with the …
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September 11: Kebab Day (Sweden)

Kebab Day is observed in Sweden every September 11, celebrating the popularity of kebab as a beloved street food. Originally a Middle Eastern dish, kebab …
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Second Thursday in September: MPN Awareness Day

MPN Awareness Day is observed worldwide every second Thursday of September to highlight myeloproliferative neoplasms (MPNs), a group of rare blood cancers characterized by the …
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Second Thursday of September: R U OK? Day (Australia)

R U OK? Day is observed in Australia on the second Thursday of September. This national day of action encourages individuals to connect with others …
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Second Thursday in September: Stand Up Against Bullying Day (Canada)

Stand Up Against Bullying Day is observed in Nova Scotia, Canada, on the second Thursday of September. This day aims to combat bullying, including cyberbullying, …
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September 12: Heritage Day (Zimbabwe)

What is Heritage Day in Zimbabwe? Heritage Day in Zimbabwe is celebrated annually on September 12th to honor and showcase the country’s rich cultural, historical, …

September 12: Film Day (Iran)

What is National Film Day in Iran? National Film Day in Iran is celebrated annually on September 12th to honor the country’s rich cinematic history …

September 12: Chocolate Milk Shake Day (United States)

What is Chocolate Milkshake Day? Chocolate Milkshake Day is celebrated annually on September 12th in the United States. This day is dedicated to one of …

September 12: Day of Encouragement (United States)

What is National Day of Encouragement? National Day of Encouragement is celebrated annually on September 12th in the United States to inspire and spread positivity …

September 12: Video Games Day (united States)

What is National Video Games Day? National Video Games Day is celebrated annually on September 12th in the United States. This day honors the fun, …
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September 12: Crochet Day

International Crochet Day is celebrated worldwide on September 12 each year, primarily by crochet enthusiasts. This informal holiday was established in 2007 by Jimbo, who …
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September 12: Dolphin Day

World Dolphin Day is observed worldwide every September 12, created to highlight the need for the protection and support of dolphins. The day was launched …
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September 12: Investigative Committee Day (Belarus)

Investigative Committee Day is observed in Belarus every September 12 to commemorate the founding anniversary of the Investigative Committee of the Republic of Belarus, which …

September 12: Police Woman Day (United States)

National Police Woman Day is observed worldwide every September 12 to acknowledge and celebrate the contributions of female police officers to law enforcement. The day …
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September 12: Electronic Warfare Specialists Day (Ukraine)

Electronic Warfare Specialists Day is observed in Ukraine every September 12, dedicated to the military specialists who play a crucial role in modern military operations …
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September 12: Mindfulness Day

Mindfulness Day is observed worldwide every September 12. Established by Wisdom Publications, a publisher of Buddhist literature, the day aims to promote the practice of …
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September 12: Ruhnama Day (Turkmenistan)

Ruhnama Day is observed in Turkmenistan every September 12, commemorating the release of "Ruhnama" (The Book of the Soul) by former President Saparmurat Niyazov in …

September 12: Saint Patrick’s Battalion Remembrance Day (Mexico)

Saint Patrick's Battalion Remembrance Day is observed in Mexico every September 12. This day honors the immigrants and expatriates of European descent, primarily Irish, who …

September 12: Defenders Day (United States)

Defenders Day is observed in Baltimore and the entire state of Maryland on September 12, commemorating the successful defense of Baltimore from the British Army …
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Baptism of the Prophet (Mali)

The Baptism of the Prophet is observed in Mali, seven days after the birthday of Prophet Muhammad, known as Mawlid. This public holiday celebrates traditional …

September 13: Defy Superstition Day (United States)

What is Defy Superstition Day? Defy Superstition Day is celebrated annually on September 13th in the United States, encouraging people to challenge superstitions and break …

September 13: Fortune Cookie Day (United States)

What is Fortune Cookie Day? Fortune Cookie Day is celebrated annually on September 13th in the United States. It’s a day to honor the delightful …

September 13: Peanut Day (United States)

What is National Peanut Day? National Peanut Day is celebrated annually on September 13th in the United States, honoring the versatile and nutritious peanut. This …

September 13: Positive Thinking Day (United States)

What is Positive Thinking Day? Positive Thinking Day is celebrated annually on September 13th in the United States. This day encourages people to adopt a …

September 13: Uncle Sam Day (United States)

What is Uncle Sam Day? Uncle Sam Day is celebrated annually on September 13th in the United States to honor the iconic figure of Uncle …

Second Friday of September: Day of Divorce (Dag van de Scheiding)

What is the Day of Divorce? The Day of Divorce is observed annually on the second Friday of September in the Netherlands. This day aims …
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September 13: Roald Dahl Day

What is Roald Dahl Day? Roald Dahl Day is celebrated annually on September 13th worldwide, marking the birthday of the beloved British author Roald Dahl …

September: Heritage Open Days (United Kingdom)

What are Heritage Open Days? Heritage Open Days is an annual event celebrated across England, usually taking place over ten days in September. It is …
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Second Saturday of September: Day of First Aid

What is the Day of First Aid? The Day of First Aid is observed annually to raise awareness about the importance of first aid and …

13 – 20 September: Roald Dahl Week (Netherlands / Belgium)

What is Roald Dahl Week in the Netherlands and Belgium? Roald Dahl Week is celebrated annually in the Netherlands and Belgium during September 13th – …
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September 13: Programmers’ Day

Programmers' Day is celebrated worldwide on the 256th day of the year, which falls on September 13 during common years and September 12 during leap …
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September 13: Sepsis Day

World Sepsis Day is observed worldwide every September 13. Launched in 2012 by the Global Sepsis Alliance, this international campaign aims to unite people in …
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September 13: Engineer’s Day (Mauritius)

Engineer’s Day is observed in Mauritius every September 13, celebrating the contributions of engineers in the country. The Institution of Engineers of Mauritius organizes this …
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September 13: Land Development Specialist’s Day (Tajikistan)

Land Development Specialist’s Day is observed in Tajikistan every September 13. This professional holiday has been celebrated since it was officially recognized in 2011. It …

September 13: Día de los Niños Héroes (Boy Heroes Day) (Mexico)

Día de los Niños Héroes (Boy Heroes Day) is observed in Mexico every September 13 to honor six teenage cadets who died defending Chapultepec Castle …

September 13: Battle of Pulang Lupa Day (Philippines)

Battle of Pulang Lupa Day, observed in the Philippine province of Marinduque, is celebrated every September 13 to commemorate a significant Filipino victory during the …
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September 13: Chocolate Day

International Chocolate Day is celebrated worldwide every September 13, coinciding with the birthday of Milton S. Hershey, the founder of The Hershey Chocolate Company. This …
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September 13: Celiac Disease Awareness Day (United States)

National Celiac Disease Awareness Day is observed in the United States every September 13. This day aims to increase public knowledge about celiac disease, an …
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September 13: Cachaça Day (Brazil)

National Cachaça Day is observed in Brazil every September 13, celebrating cachaça, the country's national beverage. This distilled spirit, made from fermented sugarcane juice, has …
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Second Saturday in September: Day of Ukrainian Cinema (Ukraine)

Day of Ukrainian Cinema is observed in Ukraine on every second Saturday of September, celebrating the contributions of all employees in the film industry, including …
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Second Saturday in September: Day of Physical Culture and Sport

The Day of Physical Culture and Sport is observed in Ukraine every second Saturday of September. Established in 1994, this holiday celebrates professional athletes, coaches, …
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Second Saturday in September: Day of Energy Industry Workers (Turkmenistan)

The Day of Energy Industry Workers is observed in Turkmenistan every second Saturday of September. Established in 2003, this official professional holiday was originally named …
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Second Saturday in September: Ukrainian Borscht Day (Ukraine)

Ukrainian Borscht Day is celebrated worldwide on the second Saturday of September to honor one of the most iconic dishes of Ukrainian cuisine, borscht. Although …
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September 14: Crab Fest Day

What is International Crab Fest Day? International Crab Fest Day is an annual global celebration dedicated to the love of crabs, one of the world’s …

September 14: Cream-Filled Donut Day (United States)

What is National Cream-Filled Donut Day? National Cream-Filled Donut Day is celebrated annually on September 14th in the United States, honoring one of the most …

September 14: Farmer’s Wife Day (Netherlands)

What is Farmer’s Wife Day (Dag van de Boerin)? Farmer’s Wife Day, known as Dag van de Boerin in Dutch, is an annual celebration in …

Second Sunday of September: Pet Memorial Day (United States)

What is National Pet Memorial Day? National Pet Memorial Day is observed annually on the second Sunday of September in the United States to honor …

Second Weekend of September: Heritage Days (Europe)

What are Heritage Days? Heritage Days are an annual event held across the Netherlands, Belgium, and other European countries as part of the broader European …
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September 14: San Jacinto Day (Nicaragua)

San Jacinto Day is observed in Nicaragua every September 14, commemorating the Battle of San Jacinto, which took place in 1856 during the Filibuster War …
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September 14: Exaltation of the Cross

The Exaltation of the Holy Cross is observed worldwide every September 14, commemorating the dedication of the Church of the Holy Sepulchre in 355. This …
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Sunday closest to September 14: Feast of the Exaltation of the Holy Cross (Armenia)

The Feast of the Exaltation of the Holy Cross, known as Khachaverats, is observed in Armenia and is one of the most significant feasts in …
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September 14: Atopic Eczema Day

World Atopic Eczema Day, also known as World Eczema Day, is observed worldwide every September 14 to highlight the challenges faced by those living with …
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Second Sunday of September: Primary Biliary Cholangitis Awareness Day or PBC Day

International PBC Day, also known as PBC Awareness Day, is observed worldwide every second Sunday of September. The day aims to increase awareness of primary …

September 141: Tank Crewman’s Day (Russia)

Tank Crewman's Day is observed in Russia on September 14 each year, honoring the contributions of tank crews to the country's defense and their significant …
september contentkalender

Second Sunday in September: Workers of Natural Gas and Petroleum Industry Day (Ukraine)

Workers of Natural Gas and Petroleum Industry Day is observed in Ukraine every second Sunday of September. Established by the first President of Ukraine, Leonid …
september contentkalender

September 14: Engineer’s Day (Romania)

Engineer’s Day is observed in Romania every September 14, celebrating the contributions of engineers to the nation’s development and modernization. This holiday was officially established …
september contentkalender

Second Sunday in September: Road Workers Day (Tajikistan)

Road Workers Day is observed in Tajikistan every second Sunday of September to honor the contributions of road workers to the country's transport system and …
september contentkalender

September 14: Armored Troops Day (Ukraine)

Armored Troops Day, also known as Tank Troops Day, is observed in Ukraine on September 14. This professional holiday in the Ukrainian Armed Forces honors …

Second Sunday in September: Sustainable House Day (Australia)

Sustainable House Day is observed in Australia every second Sunday of September, with the next occurrence on September 14, 2025. This annual event aims to …
september contentkalender

Second Sunday in September: Fjord Day (Denmark)

Fjord Day (Fjordens Dag) is observed in Denmark every second Sunday of September, celebrating the natural beauty and ecological significance of fjords. The event was …
september contentkalender

Second Sunday in September: Father’s Day (Latvia)

Father's Day in Latvia is observed every second Sunday of September. The holiday was established in 2008 as part of a cultural shift following Latvia's …
september contentkalender

Second Sunday in September: Turkmen Bakshy Day (Turkmenistan)

Turkmen Bakshy Day is celebrated in Turkmenistan on the second Sunday in September. This national festival honors bakshy, the folk performers of Central Asia, who …

September 14: Hindi Day (India)

Hindi Day is observed in India every September 14, commemorating the adoption of Hindi as the official language of the Dominion of India. This day …

Second Sunday in September: Education Sunday (United Kingdom)

Education Sunday is observed in the UK on every second Sunday of September as an annual ecumenical event organized by various churches. This day serves …
september contentkalender

Second Sunday in September: Remembrance Day for Victims of Fascism

Remembrance Day for Victims of Fascism is observed worldwide every second Sunday of September. This day honors those who fell victim to fascism during World …
september contentkalender

September 14: Cochabamba Day (Bolivia)

Cochabamba Day is observed in the Cochabamba Department of Bolivia every September 14 to commemorate the 1810 revolution, a significant event in the Bolivian war …

September 14: Virginia Day (United States)

National Virginia Day is observed worldwide every September 14 to recognize Virginia as the tenth state to ratify the U.S. Constitution and formally join the …

September 14: Eat a Hoagie Day (United States)

National Eat a Hoagie Day is observed in the United States every September 14, celebrating the popular sandwich known as the hoagie, particularly associated with …

Second Sunday in September: Hug Your Hound Day (United States)

National Hug Your Hound Day is observed worldwide every second Sunday of September. This day was created by dog trainer Ami Moore to emphasize the …

September 14: Children’s Day (Nepal)

Children's Day is observed in Nepal every September 14, originally celebrated on August 19 in honor of Queen Ratna, who was known for her social …

Second Sunday in September: Grandparents’ Day (Philippines)

Grandparents' Day is observed in the Philippines every second Sunday of September, aligning with the American tradition. The celebration began in 1987, making it a …

Second Sunday in September: Grandparents’ Day (Canada)

National Grandparents' Day is observed in Canada on the second Sunday in September. This holiday was officially recognized in 1995 after being introduced in the …
september contentkalender

Second Sunday in September: Grandparents’ Day (Estonia)

Grandparents' Day is observed in Estonia every second Sunday of September, having been established by the government in 2010 to strengthen intergenerational relationships within families …
september contentkalender

Second Sunday in September: Family Day (Kazakhstan)

Family Day in Kazakhstan is observed every second Sunday of September, with the next celebration occurring on September 14, 2025. Initiated by President Nursultan Nazarbayev, …
september contentkalender

September 14: Meskel (Ethiopia and Eritrea)

Meskel is a religious feast celebrated in Ethiopia and Eritrea on September 27 or 28, corresponding to the 17 Meskerem in the Ethiopian calendar. This …
september contentkalender

September 14: Elevation of the Holy Cross

The Elevation of the Holy Cross, also known as the Exaltation of the Holy Cross, is observed worldwide by the Orthodox Church every September 14, …
september contentkalender

September 15: Day of Democracy

What is International Day of Democracy? International Day of Democracy is celebrated annually on September 15th, globally recognizing the importance of democracy and the principles …

September 15: Make a Hat Day (united States)

What is Make a Hat Day? Make a Hat Day is celebrated annually on September 15th, encouraging people to get creative and design their own …

September 15: Felt Hat Day (United States)

What is Felt Hat Day? Felt Hat Day is celebrated annually on September 15th primarily in the United States, honoring the classic felt hat, which …
september contentkalender

September 15: Festival of the Walloon Region (Feest van het Waalse Gewest)

What is the Festival of the Walloon Region (Feest van het Waalse Gewest)? The Festival of the Walloon Region (Feest van het Waalse Gewest), also …

Third Monday of September: Respect for the Aged Day (敬老の日, Keirō no Hi, Japan)

What is Respect for the Aged Day? Respect for the Aged Day (敬老の日, Keirō no Hi) is celebrated annually on the third Monday of September …

September 15 – October 15: Hispanic Heritage Month (United States)

What is Hispanic Heritage Month? Hispanic Heritage Month is celebrated annually in the United States from September 15th to October 15th. This month-long observance honors …
september contentkalender

September Week 3: Indoor Plant Week (United States)

What is National Indoor Plant Week? National Indoor Plant Week is celebrated annually during the third week of September in the United States, with the …

September: Eczema Week (United Kingdom)

What is National Eczema Week? National Eczema Week is an annual event observed in the United Kingdom, typically held in mid-September. It aims to raise …
september contentkalender

September 15: Independence Day (Costa Rica)

Independence Day is observed in Costa Rica every September 15, commemorating the anniversary of the country's declaration of independence from Spain in 1821. The term …
september contentkalender

September 15: Independence Day (El Salvador)

Independence Day in El Salvador is observed every September 15, commemorating the anniversary of the country's declaration of independence from Spain in 1821. The celebration …
september contentkalender

September 15: Independence Day (Guatemala)

Independence Day in Guatemala is observed every September 15 to celebrate the country's declaration of independence from Spain in 1821. This patriotic holiday marks the …
september contentkalender

September 15: Independence Day (Nicaragua)

Independence Day in Nicaragua is observed every September 15 and is a national holiday celebrating the anniversary of the country's declaration of independence from Spain …
september contentkalender

September 15: Independence Day (Honduras)

Independence Day in Honduras is observed every September 15, celebrating the country's declaration of independence from Spain in 1821. This date is significant as it …
september contentkalender

September 15: Feast of Our Lady of Sorrows (Slovakia)

The Feast of Our Lady of Sorrows is observed in Slovakia every September 15 as a significant religious holiday. This day commemorates the seven sorrows …

Third Monday in September: Respect for the Aged Day (Japan)

Respect for the Aged Day is observed in Japan every third Monday in September, with its origins traced back to the town of Taka in …
september contentkalender

September 15: Munhumutapa Day (Zimbabwe)

Munhumutapa Day is observed in Zimbabwe every September 15, commemorating President Emmerson Mnangagwa and honoring the legacy of the Mutapa Empire. Established in 2024, the …
september contentkalender

September 15: Our Lady of Aparecida Day (Spain)

Our Lady of Aparecida Day is observed in Cantabria, Spain, every September 15. This regional public holiday celebrates the patron saint of Cantabria, Our Lady …
september contentkalender

September 15: Lymphoma Awareness Day

World Lymphoma Awareness Day is observed worldwide every September 15. Established in 2004 by the Lymphoma Coalition, a non-profit network of 49 lymphoma patient groups, …
september contentkalender

September 15: Dot Day

International Dot Day is observed worldwide every September 15, celebrating creativity in the classroom. The day was inspired by the 2003 picture book "The Dot," …
september contentkalender

September 15: Afro Day

World Afro Day is observed worldwide every September 15 to celebrate the natural hair of people of African descent and its significance in African identity …
september contentkalender

September 15: Myotonic Dystrophy Day

International Myotonic Dystrophy Day, also known as International DM Day, is observed worldwide every September 15. This day aims to promote awareness of myotonic dystrophy, …
september contentkalender

September 15: Hypothalamic Hamartoma Awareness Day

International Hypothalamic Hamartoma Awareness Day, also known as International HH Awareness Day, is observed worldwide every September 15. This day was established to educate the …
september contentkalender

September 15: Libraries Day (Belarus)

Libraries Day is observed in Belarus every September 15, celebrating the contributions of libraries and their workers. Established by presidential decree in 2001 at the …

September 15: Engineer’s Day (India)

Engineer’s Day is observed in India every September 15 to honor Sir Mokshagundam Visvesvaraya, a distinguished engineer, scholar, and statesman, who was born on this …

September 15: Neonatal Nurses Day (United States)

National Neonatal Nurses Day is observed annually on September 15 to honor the dedicated nurses who care for newborn infants during their critical early weeks …
september contentkalender

September 15: Greenpeace Day

Greenpeace Day is observed worldwide every September 15 to commemorate the founding anniversary of Greenpeace, a prominent international environmental organization. The day marks the anniversary …
september contentkalender

September 15: Knowledge Day (Azerbaijan)

Knowledge Day is observed in Azerbaijan every September 15 as a national holiday marking the beginning of the new school year. This date was established …

September 15: Silpa Bhirasri Day (Thailand)

Silpa Bhirasri Day is observed in Thailand every September 15 to honor Silpa Bhirasri, an influential sculptor regarded as the father of modern art in …

September 15: Battle of Britain Day (United Kingdom)

Battle of Britain Day is observed in the United Kingdom every September 15, commemorating the significant contributions of the Royal Air Force during the Battle …

September 15: Cry of Dolores (Mexico)

The Cry of Dolores (Grito de Dolores) is observed in Mexico every September 15 to commemorate the beginning of the Mexican War of Independence against …
september contentkalender

September 15: Restoration of Primorska to the Motherland Day (Slovenia)

Restoration of Primorska to the Motherland Day is observed in Slovenia every September 15. This significant memorial day commemorates the historical transition of the Primorska …

September 15: Crème de Menthe Day (United States)

National Crème de Menthe Day is observed worldwide on September 15, celebrating the mint-flavored liqueur known as crème de menthe, which translates from French as …

September 15: Double Cheeseburger Day (United States)

National Double Cheeseburger Day is observed worldwide every September 15, celebrating the deliciousness of double cheeseburgers, which consist of two juicy patties and typically two …

September 15: Cheese Toast Day (United States)

National Cheese Toast Day is observed worldwide every September 15, celebrating the simple yet delicious dish known as cheese toast, or cheese on toast. This …

September 15: Linguine Day (United States)

National Linguine Day is celebrated worldwide on September 15, encouraging pasta lovers to indulge in this delicious Italian dish. Linguine, which means "little tongues" in …
september contentkalender

September 15: Free Money Day

Free Money Day is observed worldwide every September 15. This social experiment, launched in 2011 by the Post Growth Institute, promotes economics based on sharing …

15 september: Dubbele-Cheeseburgerdag (Verenigde Staten)

De Nationale Dubbele-Cheeseburgerdag wordt in de Verenigde Staten gevierd op 15 september. Deze dag viert ddubbele cheeseburgers, die bestaan uit twee hamburgers en meestal twee …

September 16: American Legion Day (United States)

What is American Legion Day? American Legion Day is celebrated annually on September 16th in the United States to honor the founding of the American …
september contentkalender

September 16: Collect Rocks Day (United States)

What is Collect Rocks Day? Collect Rocks Day is celebrated annually in the United States and other countries on September 16th. This day invites people …

September 16: Step Family Day (United States)

What is Step Family Day? Step Family Day is celebrated annually on September 16th in the United States and is dedicated to recognizing and honoring …
september contentkalender

September 16: Mayflower Day

What is Mayflower Day? Mayflower Day is celebrated annually on September 16th in the United States to commemorate the historic departure of the Mayflower from …

September 16: Mexican Independence Day

What is Mexican Independence Day? Mexican Independence Day is celebrated annually on September 16th and marks the beginning of Mexico’s war of independence from Spain …

September 16: Play-Doh Day (United States)

What is National Play-Doh Day? National Play-Doh Day is celebrated annually on September 16th in the United States and is dedicated to honoring the creativity, …
september contentkalender

September 16: Working Parents Day

What is Working Parents Day? Working Parents Day is observed annually on September 16th in the United States and around the world to honor and …
september contentkalender

September 16: Day for the Preservation of the Ozone Layer

What is the International Day for the Preservation of the Ozone Layer? The International Day for the Preservation of the Ozone Layer is celebrated annually …

September 16: Guacamole Day (United States)

What is Guacamole Day? Guacamole Day is celebrated annually on September 16th in the United States and worldwide to honor the beloved Mexican dip made …
september contentkalender

September 16: Day of the Female Condom

What is Day of the Female Condom? Day of the Female Condom, celebrated annually on September 16th, raises awareness about the importance of the female …
september contentkalender

Sepember 16: Barber Day

What is World Barber Day? World Barber Day is celebrated annually on September 16th across the globe to honor the craft of barbering and the …
september contentkalender

September: Rheumatoid Arthritis Awareness Week

What is Rheumatoid Arthritis Awareness Week? Rheumatoid Arthritis Awareness Week (RA Awareness Week) is an annual event held in the United Kingdom to raise awareness …
september contentkalender

September Week 2: Sexual Health Week

What is Sexual Health Week? Sexual Health Week is an annual awareness event observed in the United Kingdom, typically during the second week of September …

September: Orchid Male Cancer Awareness Week (United Kingdom)

What is Orchid Male Cancer Awareness Week? Orchid Male Cancer Awareness Week is an annual event held in the United Kingdom to raise awareness about …
september contentkalender

September 16 – 23: Bisexual Awareness Week

What is Bisexual Awareness Week? Bisexual Awareness Week is a global event observed annually during the week leading up to September 23rd, which is Bi …
september contentkalender

September 16: Independence Day (Papua New Guinea)

Independence Day in Papua New Guinea is observed every September 16, commemorating the country's independence from Australia in 1975. The celebration takes place across the …
september contentkalender

September 16: Malaysia Day (Malaysia and Hari Malaysia)

Malaysia Day, known as Hari Malaysia, is observed in Malaysia every September 16. This national holiday commemorates the establishment of the Malaysian federation in 1963, …
september contentkalender

September 16: Heroes’ Day (Saint Kitts and Nevis)

National Heroes' Day is observed in Saint Kitts and Nevis every September 16, commemorating the birth anniversary of Robert Llewellyn Bradshaw, the country's first Premier …
september contentkalender

September 16: Martyrs’ Day (Libya)

Martyrs' Day is observed in Libya every September 16 to honor the memory of Libyans who were killed or exiled under Italian rule, as well …
september contentkalender

September 16: Armed Forces Day (Malaysia)

Armed Forces Day in Malaysia is observed every September 16 and is celebrated with an official ceremony and military parade. This day commemorates the Malaysian …

September 16: Owain Glyndŵr Day (United Kingdom)

Owain Glyndŵr Day is an unofficial holiday celebrated in Wales every September 16, honoring Owain Glyndŵr, the last native Welshman to hold the title Prince …
september contentkalender

September 16: Juliet’s Birthday (Italy)

Juliet’s Birthday is celebrated in Verona on September 16, honoring one of literature's most famous heroines from Shakespeare's "Romeo and Juliet." The holiday features various …

Third Tuesday in September: Prince’s Day (Netherlands)

Prince's Day, or Prinsjesdag, is observed in the Netherlands every third Tuesday of September. This day marks the ceremonial opening of a new parliamentary year, …
september contentkalender

September 16: Day for Interventional Cardiology

The International Day for Interventional Cardiology is observed worldwide every September 16. This day was established by the United Nations General Assembly in 2022 to …
september contentkalender

September 16: Day of Science, Technology and Innovation for the South

The International Day of Science, Technology and Innovation for the South is observed worldwide every September 16. Established following the Summit on Science, Technology, and …
september contentkalender

September 16: Lesbian Visibility Day (Paraguay)

Every year on September 16, Paraguay observes Lesbian Visibility Day (Día de la Visibilidad Lésbica). The date recalls an act of defiance led by Feliciana …

September 16: Stepfamily Day (United States)

National Stepfamily Day is observed in the United States every September 16. This day celebrates stepfamilies and acknowledges the diverse structures of modern families, which …
september contentkalender

September 16: Microvillus Inclusion Disease Awareness Day

Microvillus Inclusion Disease Awareness Day, also known as MVID Awareness Day, is observed in New York on September 16. Established in 2017 by Assemblyman Ed …
september contentkalender

September 16: Deceased Motorcyclists Remembrance Day (Ukraine)

Deceased Motorcyclists Remembrance Day, also known as Deceased Bikers Remembrance Day, is observed in Ukraine every September 18 to honor motorcyclists who have died in …

September 17: Apple Dumpling Day (United States)

What is National Apple Dumpling Day? National Apple Dumpling Day is celebrated annually on September 17th in the United States, honoring the delicious and classic …

September 17: Constitution Day (Citizenship Day United States)

What is Constitution Day (Citizenship Day)? Constitution Day (also known as Citizenship Day) is celebrated annually on September 17th in the United States. This day …
september contentkalender

September 17: Heroes Day (Angola)

What is National Heroes Day in Angola? National Heroes Day is celebrated annually on September 17th in Angola to honor the country’s heroes who fought …
september contentkalender

September 17: Day of Country Music

What is the Day of Country Music? The Day of Country Music is celebrated annually on September 17th, highlighting the rich tradition and influence of …
september contentkalender

September 17: Birthday of Crown Prince Tupoutoʻa ʻUlukalala (Tonga)

Every September 17, the Kingdom of Tonga observes the birthday of Crown Prince Tupoutoʻa ʻUlukalala as an official public holiday. Crown Prince Tupoutoʻa, born on …
september contentkalender

September 17: Unity Day (Belarus)

National Unity Day is observed in Belarus every September 17. Established by Alexander Lukashenko in 2021, this public holiday commemorates the Soviet invasion of Poland …
september contentkalender

September 17: Feast Day of Saint Robert Bellarmine (Vatican City)

The Feast Day of Saint Robert Bellarmine is observed in Vatican City every September 17. This day is significant as it coincides with the name …
september contentkalender

September 17: Leigh Syndrome Awareness Day

Leigh Syndrome Awareness Day is observed worldwide every September 17 to highlight Leigh syndrome, a rare neurometabolic disorder that impacts the central nervous system. Established …
september contentkalender

September 17: Rescuer’s Day (Ukraine)

Rescuer's Day is observed in Ukraine every September 17 as an official professional holiday dedicated to the employees of the State Emergency Service of Ukraine …
september contentkalender

September 17: Teachers’ Day (Honduras)

Teachers' Day in Honduras is observed every September 17 to honor educators and express gratitude for their contributions. This important holiday celebrates the legacy of …

Third Wednesday in September: Human Resource Manager Day (Russia)

Human Resource Manager Day is observed in Russia and some other countries every third Wednesday of September. This unofficial professional holiday celebrates the contributions and …
september contentkalender

September 17: Transportation Day (Indonesia)

National Transportation Day, or Hari Perhubungan Nasional, is observed in Indonesia every September 17. Established in 1971 by then Minister of Transportation Frans Seda, the …

September 17: Pet Bird Day (United States)

National Pet Bird Day is observed worldwide every September 17 to celebrate the joy of pet birds and promote responsible bird ownership. Established in 2019 …
september contentkalender

September 17: Huaso Day (Chile)

National Huaso Day is observed in Chile every September 17, the day before the country's Independence Day. This holiday celebrates Chilean horsemen, shepherds, and farmers, …
september contentkalender

September 17: Red Cross Day (Indonesia)

Red Cross Day, or Hari Palang Merah, is observed in Indonesia every September 17, commemorating the establishment of the Indonesian Red Cross Society in 1945 …

September 17: Australian Citizenship Day (Australia)

Australian Citizenship Day is observed in Australia every September 17. Established by the Australian Government in 2001, this day provides an opportunity for all Australians …

September 17: Operation Market Garden Anniversary (Netherlands)

Operation Market Garden Anniversary is observed in the Netherlands every September 17. This date commemorates the anniversary of Operation Market Garden, a significant but ultimately …

September 17: Sybirak’s Day (Poland)

Sybirak’s Day is observed in Poland every September 17, commemorating the Soviet invasion of Poland in 1939 and the subsequent deportation of over 300,000 Polish …
september contentkalender

September 17: Patient Safety Day (Ukraine)

Patient Safety Day is observed in Ukraine on September 17, coinciding with World Patient Safety Day. It was officially established by President Volodymyr Zelensky in …

September 17: Marathwada Liberation Day (India)

Marathwada Liberation Day, observed in the Indian state of Maharashtra, recurs every September 17. This holiday commemorates the anniversary of Operation Polo, which led to …
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September 17: Melilla Day (Spain)

Melilla Day is observed in the autonomous city of Melilla, Spain, every September 17. This regional holiday commemorates the anniversary of the Spanish conquest of …

September 17: Siquijor Day (Philippines)

Siquijor Day, or Araw ng Siquijor, is observed in the province of Siquijor, Philippines, every September 17. This special non-working holiday commemorates the province's founding …

September 17: Zamboanga del Sur Day (Philippines)

Zamboanga del Sur Day, or Araw ng Zamboanga del Sur, is observed in the Philippine province of Zamboanga del Sur every September 17. This special …

September 17: Monte Cristo Day (United States)

National Monte Cristo Day is observed every year on September 17, primarily in the United States. This day celebrates the Monte Cristo sandwich, a fried …
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September 17: Patient Safety Day

World Patient Safety Day is observed worldwide every September 17. Established by the World Health Organization (WHO) at the 72nd World Health Assembly in May …
september contentkalender

September 17: Adoption Day

Adoption Day is observed in Ukraine every September 17, celebrating adoptive parents, foster parents, and guardians. Established by the third President of Ukraine, Viktor Yuschenko, …
september contentkalender

Third Wednesday in September: Fitness Day

National Fitness Day is observed in the United Kingdom every third Wednesday of September and is the largest celebration of fitness and health in the …

September 18: Cheeseburger Day (United States)

What is National Cheeseburger Day? National Cheeseburger Day is celebrated annually on September 18th in the United States, honoring one of America’s most iconic dishes: …
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September 18: Bamboo Day

What is World Bamboo Day? World Bamboo Day is celebrated annually on September 18th and is dedicated to raising global awareness about the importance of …

September 18: HIV/AIDS and Ageing Awareness Day (United States)

What is National HIV/AIDS and Aging Awareness Day? National HIV/AIDS and Aging Awareness Day (NHAAAD) is observed annually on September 18th in the United States …
september contentkalender

September 18: Fiestas Patrias ( Day Chile)

What is National Day in Chile? National Day in Chile, also known as Fiestas Patrias, is celebrated annually on September 18th. This day marks the …
September 18: Equal Pay Day

September 18: Equal Pay Day

What is International Equal Pay Day? International Equal Pay Day is observed every year on September 18 to highlight the ongoing global wage disparities between …

Third Thursday of September: Prinsjesdag (Netherlands)

What is Prinsjesdag? Prinsjesdag (Prince’s Day) is celebrated annually on the third Tuesday of September in the Netherlands. It marks the official opening of the …

Third Thursday of September: Day of the Caregiver (Dag van de Leidster en Gastouder Netherlands)

What is Day of the Caregiver (Dag van de Leidster en Gastouder)? Day of the Caregiver (Dag van de Leidster en Gastouder) is celebrated annually …
september contentkalender

September 18: Read an eBook Day (NL)

Nederlandse tekst volgt …
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September 18: Independence Day (Chile)

Independence Day in Chile is observed every September 18 and marks the establishment of the First Government Junta in 1810, which was a significant step …
september contentkalender

September 18: Water Monitoring Day

World Water Monitoring Day is observed worldwide every September 18. Established in 2003 by America's Clean Water Foundation, this observance aims to highlight the issues …
september contentkalender

September 18: Read an eBook Day

International Read an eBook Day is celebrated worldwide every September 18. This observance was initiated by OverDrive, Inc., an American company founded in 1986 in …
september contentkalender

September 18: Pitt-Hopkins Syndrome Awareness Day

Pitt-Hopkins Syndrome Awareness Day, also known as Pitt-Hopkins Awareness Day, is observed worldwide every September 18. Established in 2013, the day aims to educate medical …
september contentkalender

September 18: Astronomy Day (Armenia)

Astronomy Day is observed in Armenia every September 18 to commemorate the birthday of Victor Ambartsumian, a prominent Armenian scientist and the founder of theoretical …
september contentkalender

September 18: Croatian Navy Day (Croatia)

Croatian Navy Day, observed in Croatia every September 18, commemorates the first recorded naval victory of the Croatian fleet in 887, when Duke Branimir defeated …

September 18: U.S. Air Force Birthday (United States)

The U.S. Air Force Birthday is observed worldwide every September 18, commemorating the establishment of the U.S. Air Force as a separate branch of the …
september contentkalender

September 18: Music Day (Azerbaijan)

National Music Day is observed in Azerbaijan every September 18, commemorating the birthday of Uzeyir Hajibeyov, regarded as the father of Azerbaijani music. This cultural …

September 18: Persian Literature and Poetry Day (Iran)

Persian Literature and Poetry Day is observed in Iran every September 18, commemorating the contributions of Mohammad-Hossein Shahriar, a prominent contemporary poet. This cultural observance …

September 18: Island Languages Day (Japan)

Island Languages Day is observed in the Ryukyu Islands, Japan, on September 18 every year. This annual event is dedicated to the indigenous Ryukyuan languages, …

September 18: Tacurong City Charter Day (Philippines)

Tacurong City Charter Day, also known as Araw ng Pribilehiyo ng Lungsod ng Tacurong, is observed in Tacurong, Sultan Kudarat, Philippines, every September 18. This …
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18 september: Dag van de Bosbouw en Houtindustrie Werknemers (Wit-Rusland, Kirgizië, Rusland en Oekraïne)

De Dag van de Bosbouw en Houtindustrie Werknemers wordt wereldwijd gevierd op de derde zondag van september. Deze professionele dag herdenkt de invoering van de …

Third Thursday in September: Pawpaw Day (United States)

National Pawpaw Day is observed in the United States every third Thursday of September to honor the American pawpaw (Asimina triloba), a fruit native to …
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September 19: Talk Like a Pirate Day

What is International Talk Like a Pirate Day? International Talk Like a Pirate Day is celebrated annually on September 19th and is a fun, lighthearted …

September 19: Butterscotch Pudding Day (United States)

What is National Butterscotch Pudding Day? National Butterscotch Pudding Day is celebrated annually on September 19th in the United States to honor the creamy and …

September 19: Day of the Dietitian

What is Day of the Dietitian? Day of the Dietitian (Dag van de Diëtist) is celebrated annually on September 19th in the Netherlands to recognize …

Third Friday of September: POW/MIA Recognition Day (United States)

What is National POW/MIA Recognition Day? National POW/MIA Recognition Day is observed annually on the third Friday of September in the United States. This day …
september contentkalender

September 19: Army Day (Chile)

Army Day in Chile, known as Día de las Glorias del Ejército, is observed every September 19 as part of the two-day Fiestas Patrias celebration, …
september contentkalender

September 19: Independence Day (Saint Kitts and Nevis)

Independence Day in Saint Kitts and Nevis is observed on September 19 every year, marking the country's independence from the United Kingdom, which was proclaimed …

September 19: Constitution Day (Nepal)

Constitution Day is observed in Nepal every September 19, commemorating the anniversary of the adoption of the 2015 Constitution, which marked the country's transition from …
september contentkalender

September 19: Aortic Dissection Awareness Day

Aortic Dissection Awareness Day is observed worldwide every September 19 to highlight the importance of early diagnosis of aortic dissection, a rare and potentially fatal …

September 19: Arms Designer Day (Russia)

Arms Designer Day is observed in Russia every September 19, a professional holiday established in 2011 at the request of Mikhail Kalashnikov, the renowned inventor …
september contentkalender

September 19: Civil Aviation Day (Moldova)

Civil Aviation Day, also known as the Day of Civil Aviation Employees, is observed in Moldova every September 19. This official professional holiday was established …
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September 19: Thai Museum Day

Thai Museum Day is observed in Thailand every September 19 to commemorate the foundation anniversary of the Bangkok National Museum, which was established on September …
september contentkalender

September 19: Day of the First Public Appearance of the Slovak National Council (Slovakia)

The Day of the First Public Appearance of the Slovak National Council is observed in Slovakia on September 19. This remembrance day commemorates the establishment …
september contentkalender

September 19: Smiley Face Emoticon’s Birthday

The Smiley Face Emoticon’s Birthday is celebrated worldwide every September 19. This day commemorates the creation of the smiley face emoticon, which was proposed by …
september contentkalender

Third Friday in September: Grenache Day

International Grenache Day is observed worldwide every third Friday of September to celebrate Grenache, one of the most widely planted red wine grape varieties. This …

Third Friday in September: Concussion Awareness Day (United States)

National Concussion Awareness Day is observed every third Friday of September. Established in 2016 by Brooke Mills, a student from New Hampshire who experienced a …

September 20: Pepperoni Pizza Day (United States)

What is National Pepperoni Pizza Day? National Pepperoni Pizza Day is celebrated annually on September 20th in the United States as a day to honor …

September 20: Punch Day (United States)

What is National Punch Day? National Punch Day is celebrated annually on September 20th in the United States to honor the refreshing and versatile drink …

September 20: Samvidhan Diwas (Constitution Day Nepal)

What is Constitution Day in Nepal? Constitution Day, or “Samvidhan Diwas,” is celebrated annually on September 20th in Nepal to commemorate the adoption of the …
september contentkalender

Third Weekend of September: Cleanup Day

What is World Cleanup Day? World Cleanup Day is a global event held annually in the third weekend of September, during which millions of volunteers …

Third Saturday of September: Dance Day (United States)

What is National Dance Day? National Dance Day is celebrated annually on the third Saturday of September in the United States, to encourage people of …

September: Great British Beach Clean (United Kingdom)

What is the Great British Beach Clean? The Great British Beach Clean is an annual environmental event held across the United Kingdom, typically in September, …
september contentkalender

Third Saturday of September: Red Panda Day

What is International Red Panda Day? International Red Panda Day is celebrated annually on the third Saturday of September, with the aim of raising awareness …
september contentkalender

Third Saturday of September: Eat an Apple Day

What is Eat an Apple Day? Eat an Apple Day is a global event celebrated annually on the third Saturday of September. The day encourages …
september contentkalender

September 20: Dessalines Day (Haiti)

Dessalines Day is observed in Haiti every September 20, commemorating the birth of Jean-Jacques Dessalines, a key figure in the Haitian Revolution and the first …
september contentkalender

September 20: Day of University Sport

The International Day of University Sport is observed worldwide every September 20, celebrating the significance of university sports in promoting values such as fair play, …
september contentkalender

September 20: Raspberry Day

Raspberry Day, also known as Cavernoma Awareness Day, is observed worldwide every September 20. This day was established in 2020 by the Cavernoma Society, a …
september contentkalender

Third Saturday in September: Day of Inventors and Innovators (Ukraine)

The Day of Inventors and Innovators is observed in Ukraine on the third Saturday in September. This professional holiday, also known as Inventor's Day, was …
september contentkalender

September 20: Customs Officer’s Day (Belarus)

Customs Officer's Day is observed in Belarus every September 20, commemorating the reorganization of the USSR State Customs Control Service into the State Customs Committee …
september contentkalender

September 20: Oil Industry Workers’ Day (Azerbaijan)

Oil Industry Workers' Day is observed in Azerbaijan every September 20. This professional holiday was established in 2001 by Ilham Aliyev, the fourth President of …
september contentkalender

September 20: Entrepreneur’s Day (Kyrgyzstan)

Entrepreneur's Day is observed in Kyrgyzstan every September 20, celebrating the contributions of entrepreneurs to the country's economy. Established in 2000 following the First Congress …

September 20: Canal Conservation Day (Thailand)

National Canal Conservation Day is observed in Thailand every September 20. Established in 1995, this day highlights the significance of khlongs, or canals, as historical …

September 20: Sree Narayana Guru Memorial Day (India)

Sree Narayana Guru Memorial Day is observed in Kerala, India, every September 20 to honor the legacy of Sree Narayana Guru, a prominent social reformer …

September 20: Queso Day (United States)

National Queso Day is observed worldwide every September 20, celebrating the beloved Tex-Mex dish known as queso, which consists of melted cheese and chili peppers …

September 20: Fried Rice Day (United States)

National Fried Rice Day is observed worldwide every September 20 to celebrate the popular dish of fried rice, which is a staple in many East …

September 20: String Cheese Day (United States)

National String Cheese Day is observed worldwide on September 20 each year to celebrate the nutritious and popular snack known as string cheese. This holiday …
september contentkalender

September 20: Youth Day

National Youth Day is observed in Thailand every September 20, commemorating the birthdays of two significant monarchs: King Chulalongkorn and King Ananda Mahidol. Chulalongkorn, also …
september contentkalender

September 20: Universal Children’s Day (Germany)

Universal Children’s Day is officially celebrated in Germany on September 20. The day emphasizes strengthening children’s rights and is recognized as a holiday for the …
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September 20: Freedom of Speech Day (Venezuela, Peru en Uruguay)

Freedom of Speech Day is observed in some Spanish-speaking countries, including Venezuela, Peru, and Uruguay, every September 20. This day celebrates freedom of speech and …
september contentkalender

Third Saturday in September: Software Freedom Day

Software Freedom Day is observed worldwide on the third Saturday in September. This celebration, organized by the Digital Freedom Foundation (DFF), promotes free software, open …
september contentkalender

Third Saturday in September: Marrow Donor Day

World Marrow Donor Day is observed worldwide every third Saturday of September to celebrate hematopoietic stem cell donors and highlight the importance of bone marrow …
september contentkalender

Third Saturday in September: Usher Syndrome Awareness Day

Usher Syndrome Awareness Day is observed worldwide every third Saturday of September. This day was created to highlight Usher syndrome, a rare genetic disorder that …
september contentkalender

Third Saturday of September: Pharmaceutical Worker’s Day (Ukraine)

Pharmaceutical Worker's Day is observed in Ukraine on the third Saturday of September. Established in 1999 by a decree from President Leonid Kuchma, this official …

Third Saturday in September: Puppy Mill Awareness Day (United States)

National Puppy Mill Awareness Day is observed worldwide every third Saturday of September. This day aims to highlight the poor conditions in puppy mills, which …

Third Saturday in September: Von Steuben Day (United States)

Von Steuben Day is celebrated in the United States on the third Saturday of September, with the largest parade taking place in New York City …
september contentkalender

Third Saturday in September: Responsible Dog Ownership Day

Responsible Dog Ownership Day is observed worldwide on the third Saturday of September. Established by the American Kennel Club (AKC) in 2003, this day aims …
september contentkalender

September 21: Day of Peace

What is the International Day of Peace? The International Day of Peace is a global event observed annually on September 21st, dedicated to promoting peace, …
september contentkalender

September 21: Gratitude Day

What is World Gratitude Day? World Gratitude Day is a global observance held annually on September 21st, dedicated to encouraging individuals, communities, and organizations to …
september contentkalender

September 21: Independence Day (Belize)

What is National Day (Belize)? National Day or Independence Day in Belize is celebrated annually on September 21st to commemorate the country’s independence from the …
september contentkalender

September 21: Independence Day (Armenia)

What is Independence Day (Armenia)? Independence Day in Armenia is celebrated annually on September 21st and marks the country’s independence from the Soviet Union in …
september contentkalender

September 21: Alzheimer’s Day

What is World Alzheimer’s Day? World Alzheimer’s Day is a global event observed annually on September 21st to raise awareness about Alzheimer’s disease and other …
september contentkalender

September 21: Miniature Golf Day

What is Miniature Golf Day? Miniature Golf Day is celebrated globally on September 21st to recognize and enjoy the fun and creativity of mini-golf. Miniature …
september contentkalender

September 21: Light Up For Mito

What is Light Up For Mito? Light Up For Mito is an annual global event held in September, during Miondrial Disease Awareness Week, to raise …
september contentkalender

Mid-September: Miondrial Disease Awareness Week

What is Miondrial Disease Awareness Week? Miondrial Disease Awareness Week is an annual global event that takes place in September to raise awareness about miondrial …

Third Sunday of September: Women’s Friendship Day

What is National Women’s Friendship Day? National Women’s Friendship Day is celebrated annually on the third Sunday of September in the United States. The day …
Third Sunday of September: Wife Appreciation Day (USA)

Third Sunday of September: Wife Appreciation Day (United States)

What is Wife Appreciation Day? Wife Appreciation Day is celebrated annually on the third Sunday of September in the United States. This day is dedicated …

September 21: Juice Day (Russia)

Juice Day is an unofficial holiday celebrated in Russia on the third Saturday of September. The holiday aims to promote fruit and vegetable juices as …
september contentkalender

September 21: Independence Day (Armenia)

Independence Day is observed in Armenia every September 21, marking one of the country's most significant public holidays. The day commemorates Armenia's declaration of independence …
september contentkalender

September 21: Independence Day (Belize)

Independence Day in Belize is observed every September 21, celebrating the anniversary of the country's independence from Great Britain in 1981. The month of September …
september contentkalender

September 21: Kwame Nkrumah Memorial Day (Ghana)

Kwame Nkrumah Memorial Day is observed in Ghana every September 21, commemorating the birth anniversary of Kwame Nkrumah, the first prime minister and president of …
september contentkalender

September 21: Independence Day (Malta)

Independence Day in Malta, known as Jum l-Indipendenza, is observed every September 21 to celebrate the day Malta gained independence from Great Britain in 1964 …
september contentkalender

September 21: Nativity of the Theotokos

The Nativity of the Theotokos is observed in Eastern Christianity worldwide every September 21. This feast celebrates the birth of Mary, who was born to …
september contentkalender

September 21: Zero Emissions Day

Zero Emissions Day, also known as ZeDay, is observed worldwide every September 21. The event promotes the idea of "Giving our planet a day off …
september contentkalender

September 21: Alzheimer’s Day

World Alzheimer's Day is observed worldwide every September 21. This day is part of World Alzheimer's Month, which is recognized annually in September by organizations …
september contentkalender

September 21: Minigolf Day

World Minigolf Day, also known as Miniature Golf Day, is observed worldwide every September 21. This day celebrates the putting aspect of golf, which has …
september contentkalender

September 21: Myositis Day

World Myositis Day is observed worldwide every September 21 to promote awareness of myositis, a rare condition characterized by inflammation of the skeletal muscles. The …
september contentkalender

September 21: Social Workers’ Day (Moldova)

Social Workers’ Day is observed in Moldova on September 21, celebrating the dedication of individuals working in the social welfare sector. This official professional holiday …

September 21: Cebu Press Freedom Day (Philippines)

Cebu Press Freedom Day, observed in the province of Cebu in the Philippines, recurs every September 21. This special non-working holiday celebrates the significance of …

September 21: Fisheries Day (Thailand)

National Fisheries Day, also known as National Fishing Day, is observed in Thailand every September 21. This day commemorates the establishment of the Department of …
september contentkalender

September 21: Arbor Day (Brazil)

Arbor Day in Brazil, celebrated on September 21, is a unique ecological observance as the country hosts two Arbor Days due to its diverse climate …

September 21: Battle of Kulikovo Day (Russia)

Battle of Kulikovo Day is observed in Russia on September 21 each year, commemorating the significant Battle of Kulikovo that took place on September 8, …

September 21: Commemoration of the Declaration of Martial Law (Philippines)

The Commemoration of the Declaration of Martial Law in the Philippines is observed on September 21 every year. This day marks the signing of Proclamation …

September 21: New York Day (United States)

National New York Day is observed annually on September 21, celebrating New York State's significance as the 11th state to ratify the U.S. Constitution and …

September 21: Pecan Cookie Day (United States)

National Pecan Cookie Day is celebrated worldwide every September 21. This unofficial holiday honors the pecan cookie, a popular homemade treat made with pecans, which …
september contentkalender

September 21: Spring Day (Argentina, Uruguay and Bolivia)

Spring Day is observed in Argentina, Uruguay, and Bolivia on September 21. This day marks the beginning of spring in the Southern Hemisphere, although it …

September 21: Chai Day (United States)

National Chai Day is observed worldwide on September 21, celebrating the popular Indian beverage known as masala chai. This unofficial holiday was established in 2018 …
september contentkalender

September 21: Day of Peace

The International Day of Peace is observed worldwide every September 21. Established by the UN General Assembly in 1981, it was originally observed on the …
september contentkalender

September 21: Volunteer Day (Ghana)

National Volunteer Day in Ghana is observed every September 21 and was established by the GhanaThink Foundation, a non-governmental organization that promotes volunteerism. This day …
september contentkalender

Pchum Ben Festival (Cambodia)

Pchum Ben, also known as Ancestors' Day, is a significant festival observed in Cambodia every year, typically occurring in September or October according to the …

Third Sunday in September: Peñafrancia Festival (Philippines)

The Peñafrancia Festival is observed in Naga, Camarines Sur, Philippines, every third or fourth Sunday of September in honor of the city’s patron saint, Our …
september contentkalender

Third Sunday of September: Forestry and Timber Industry Worker’s Day (Belarus, Kyrgyzstan, Russia and Ukraine)

Forestry and Timber Industry Worker's Day is observed worldwide on the third Sunday in September. This professional day commemorates the enactment of the first forest …
september contentkalender

Third Sunday in September: Mother’s Day (Kazakhstan)

Mother's Day in Kazakhstan is observed every third Sunday of September as an official holiday dedicated to honoring mothers. The holiday was initiated by President …

September 22: Business Women’s Day (United States)

What is Business Women’s Day? Business Women’s Day is celebrated annually on September 22nd in the United States, honoring the achievements and contributions of women …
september contentkalender

September 22: Elephant Appreciation Day

What is Elephant Appreciation Day? Elephant Appreciation Day is celebrated annually on September 22nd to honor and raise awareness about one of the world’s most …
september contentkalender

September 22: Hobbit Day

What is Hobbit Day? Hobbit Day is celebrated annually on September 22nd by fans of J.R.R. Tolkien’s works, particularly The Hobbit and The Lord of …
september contentkalender

September 22: Rhino Day

What is World Rhino Day? World Rhino Day is celebrated annually on September 22nd, bringing global awareness to the plight of rhinoceros species, many of …
september contentkalender

September 22: White Chocolate Day

What is White Chocolate Day? White Chocolate Day is celebrated annually on September 22nd to honor the creamy, sweet confection known as white chocolate. Unlike …
september contentkalender

September 21-24: First Day of Autumn or Autumnal Equinox

What is the First Day of Autumn? The First Day of Autumn, also known as the Autumnal Equinox, marks the official start of the fall …
September / October: Sharada Navaratri

September / October: Sharada Navaratri

What is Navaratri? Navaratri or Navrati is a significant Hindu festival celebrated over nine nights and ten days, dedicated to the worship of Goddess Durga …
september contentkalender

September 22: Independence Day (Bulgaria)

Independence Day in Bulgaria is observed every September 22, commemorating the country's independence from the Ottoman Empire, which was proclaimed in 1908 by Prince Ferdinand …
september contentkalender

September 22: Independence Day (Mali)

Independence Day in Mali is observed on September 22 and commemorates the country's independence from France, achieved in 1960. The holiday marks the transition of …
september contentkalender

September 22: Car Free Day

World Car Free Day is observed worldwide every September 22, encouraging drivers to forgo their cars for a day in favor of public transportation, cycling, …
september contentkalender

September 22: Chronic Myeloid Leukemia Day

World Chronic Myeloid Leukemia Day, observed worldwide every September 22, aims to spread information about chronic myeloid leukemia (CML) and highlight the challenges faced by …
september contentkalender

September 22: Narcolepsy Day

World Narcolepsy Day is observed worldwide every September 22 to promote understanding of narcolepsy, a chronic neurological disorder that disrupts sleep-wake cycles and can lead …
september contentkalender

September 22: Teachers’ Day (Uruguay)

Teachers' Day is observed in Uruguay every September 22. This holiday does not have a specific historical origin, but it is celebrated close to Students' …
september contentkalender

September 22: Arbor Day (Barbados)

National Arbor Day is observed in Barbados every September 22. The day commemorates the anniversary of Hurricane Janet, which struck the island on this date …
september contentkalender

September 22: Rudaki Day (Tajikistan)

Rudaki Day is observed in Tajikistan every September 22, celebrating the legacy of the renowned Persian poet Abu Abd Allah Rudaki, who is considered a …
september contentkalender

September 22: Day of Partisan Glory (Ukraine)

The Day of Partisan Glory is observed in Ukraine every September 22 to honor the heroes of the Ukrainian resistance movement during the Second World …
september contentkalender

September 22: Day of the Baltic Unity (Latvia and Lithuania)

The Day of the Baltic Unity is observed in Latvia and Lithuania every September 22. This holiday was established in 2000 to commemorate the Battle …
september contentkalender

September 22: Resistance Fighting Day In Estonia (Estonia)

Resistance Fighting Day is observed in Estonia on September 22. This official remembrance day commemorates Otto Tief's failed attempt to restore Estonia's independence in 1944 …
september contentkalender

September 22: OneWebDay

OneWebDay is observed worldwide every September 22, celebrating the World Wide Web and emphasizing the importance of Internet accessibility. Founded in 2006 by Susan P …

September 22: Ice Cream Cone Day (United States)

National Ice Cream Cone Day is observed worldwide every September 22, celebrating the beloved dessert that combines ice cream with a cone-shaped pastry. The holiday …

September 22-23: autumnal equinox (Japan)

The Autumn Equinox is celebrated every Sept. 22 or 23 in Japan and is an official holiday. This celebration has roots in traditions that go …
september contentkalender

Fourth Monday of December : South Canterbury Anniversary Day (New Zealand)

South Canterbury Anniversary Day is observed in the southern part of New Zealand's Canterbury region on the fourth Monday in September. This day commemorates the …

September 23: Checkers Day (United States)

What is Checkers Day? Checkers Day, observed annually on September 23rd, has an interesting connection not to the board game, but rather to U.S. political …
september contentkalender

September 23-29: Coding Week

Promoting digital literacy and skills through coding activities and workshops …
september contentkalender

September 23-29: Organ Donation Week

Highlighting the importance of organ donation and encouraging more people to become donors …
september contentkalender

September 23: Grito de Lares (Puerto Rico)

What is Grito de Lares? Grito de Lares, also known as the Lares Uprising, is an important historical event in Puerto Rico’s struggle for independence …
september contentkalender

September 23: Day of Bisexuality

The Day of Bisexuality, also known as Bi Visibility Day or Celebrate Bisexuality Day, is observed annually on September 23rd to raise awareness of bisexuality …

Fourth Tuesday of September: Koffiedag (Coffee Day Netherlands)

What is Nationale Koffiedag? Nationale Koffiedag, celebrated annually in the Netherlands on the fourth Tuesday of September, is a day dedicated to coffee’s ability to …

September / October: Cycle to School Week (United Kingdom)

Cycle to School Week in the United Kingdom is typically celebrated in the September or October, with the aim of promoting healthier, more sustainable travel …
september contentkalender

September Last Week: Reflexology Week

What is World Reflexology Week? World Reflexology Week is celebrated globally during the last full week of September to raise awareness about the benefits of …

September Last Full Week: Eye Health Week (United Kingdom)

What is National Eye Health Week? National Eye Health Week is celebrated annually in the United Kingdom during the last full week of September. The …

September Week 3 / 4: Week tegen pesten (Anti-Bullying Week Netherlands)

What is Anti-Bullying Week? Anti-Bullying Week (known as “Week tegen Pesten” in the Netherlands) is observed annually during the third or fourth week of September, …
september contentkalender

(pattern): Blessed Rainy Day (Bhutan)

Blessed Rainy Day is a public and religious holiday observed in Bhutan every year on September 23. This holiday marks the end of the rainy …
september contentkalender

September 23: National Day (Saudi Arabia)

National Day in Saudi Arabia is observed every September 23, commemorating the proclamation of the Kingdom of Saudi Arabia in 1932. This public holiday marks …
september contentkalender

(pattern): Rosh Hashanah (Israel)

Rosh Hashanah, observed worldwide, is the Jewish New Year celebrated on the first and second days of Tishrei, marking the anniversary of the creation of …
september contentkalender

September 23: Restless Legs Syndrome Awareness Day

Restless Legs Syndrome Awareness Day, observed worldwide every September 23, aims to increase understanding of Restless Legs Syndrome (RLS), a disorder characterized by an uncontrollable …
september contentkalender

September 23: BBS Global Day

BBS Global Day is observed worldwide every September 23 to educate the public about Bardet-Biedl syndrome (BBS), a rare genetic disorder affecting multiple organ systems …
september contentkalender

September 23: Teachers’ Day (Brunei)

Teachers' Day is observed in Brunei every September 23 to honor the contributions of educators and commemorate the birth of Sultan Omar Ali Saifuddien III, …
september contentkalender

September 23: Maritime Day (Indonesia)

National Maritime Day is observed in Indonesia every September 23. Established in 1964 by President Sukarno, the day commemorates the country's first Maritime Conference held …
september contentkalender

September 23: Kyrgyz Language Day (Kyrgyzstan)

Kyrgyz Language Day is observed in Kyrgyzstan every September 23 to commemorate the adoption of a law on the language of the Kyrgyz SSR in …
september contentkalender

September 23: Day of Women’s Political Rights (Argentina)

The National Day of Women's Political Rights is observed in Argentina every September 23. This day commemorates the law passed on September 23, 1947, which …
september contentkalender

September 23: Day of School Failure Prevention (France)

National Day of School Failure Prevention is observed in France every September 23. This observance was initiated by the French organization AFEV (Association de la …
september contentkalender

September 23: Chuuk Liberation Day (Micronesia)

Chuuk Liberation Day is observed in the Federated States of Micronesia, specifically in the state of Chuuk, on September 23 each year. This day commemorates …

September 23: Martyrs Day (India)

Martyrs Day, also known as Veer Shahidi Divas, is observed in the Indian state of Haryana every September 23 to honor the memory of freedom …

September 23: Great American Pot Pie Day (United States)

National Great American Pot Pie Day is observed worldwide every September 23. This informal food-related holiday was created in 2002 by Marie Callender's, a company …
september contentkalender

September 23: Za’atar Day

Za’atar Day, also known as International Za’atar Day and World Za’atar Day, is observed worldwide every September 23. This holiday celebrates za’atar, a culinary herb …
september contentkalender

September 23: Day of Sign Languages

International Day of Sign Languages is observed worldwide every September 23 during the International Week of the Deaf. Established by a UN General Assembly resolution …

September 23: AFM Day (United States)

National AFM Day, also known as National Acute Flaccid Myelitis Day, is observed worldwide every September 23. It was created to educate the public about …
september contentkalender

September 24: Cherries Jubilee Day

What is National Cherries Jubilee Day? National Cherries Jubilee Day is celebrated annually on September 24th in the United States, honoring a classic dessert made …

September 24: Punctuation Day

What is National Punctuation Day? National Punctuation Day is celebrated annually in the United States on September 24th. This day highlights the importance of proper …

September: Professional Care Workers’ Week

What is Professional Care Workers’ Week? Professional Care Workers’ Week is an annual event in the United Kingdom, observed each September to recognize and honor …
september contentkalender

September 24: Heritage Day (South Africa)

What is Heritage Day (South Africa)? Heritage Day is a national public holiday in South Africa, celebrated annually on September 24th. The day encourages South …
september contentkalender

September 24: National Day (Guinea-Bissau)

What is National Day (Guinea-Bissau)? National Day in Guinea-Bissau is celebrated annually on September 24th and marks the country’s independence from Portugal in 1973. This …

September 24: Dag van de Thuiszorg (Day of Home Care Netherlands)

What is Dag van de Thuiszorg (Day of Home Care)? Dag van de Thuiszorg, or Day of Home Care, is celebrated annually in the Netherlands …
september contentkalender

September 24: Constitution Day (Cambodia)

Constitution Day is observed in Cambodia every September 24, commemorating the re-coronation of King Norodom Sihanouk and the adoption of the Cambodian Constitution in 1993 …
september contentkalender

September 24: Our Lady of Mercy Day (Dominican Republic)

Our Lady of Mercy Day is observed every year on September 24. The day honors Mary under the title of Our Lady of Mercy, a …
september contentkalender

September 24: National Day (Guinea-Bissau)

National Day in Guinea-Bissau is observed every year on September 24. This day commemorates the country’s independence from Portuguese colonial rule, which was declared in …
september contentkalender

September 24: New Caledonia Day (New Caledonia)

New Caledonia Day is observed in New Caledonia, a special collectivity of France located in the southwest Pacific, every September 24. This day commemorates the …
september contentkalender

September 24: Republic Day (Trinidad and Tobago)

Republic Day is observed in Trinidad and Tobago every September 24 to commemorate the day the country became a republic. The holiday marks the anniversary …
september contentkalender

(pattern): The Day the Maldives Embraced Islam (Maldives)

The Day the Maldives Embraced Islam is observed in the Maldives every year on the first day of the Islamic month of Rabi' al-thani. This …
september contentkalender

Last Wednesday of September: Dense Breast Day

World Dense Breast Day is observed worldwide every year on the last wednesday of September. This day is dedicated to raising awareness about dense breast …
september contentkalender

September 24: Cancer Research Day

World Cancer Research Day is observed worldwide every September 24, aiming to promote cancer research to improve the quality of life and survival rates for …
september contentkalender

September 24: Day Against Software Patents

World Day Against Software Patents is observed worldwide every September 24. Established by the Foundation for a Free Information Infrastructure (FFII) in 2008, this day …
september contentkalender

September 24: FH Awareness Day

FH Awareness Day is observed worldwide every September 24. Established in 2012 by the Family Heart Foundation, the day aims to educate the public about …
september contentkalender

September 24: aHUS Awareness Day

aHUS Awareness Day is observed worldwide every year on September 24. This day is dedicated to raising awareness about atypical Hemolytic Uremic Syndrome (aHUS), a …
september contentkalender

September 24: Armed Forces Day (Peru)

Armed Forces Day in Peru, observed every September 24, commemorates the creation of the Peruvian Armed Forces in their modern form. This day celebrates the …
september contentkalender

September 24: Farmers’ Day (Indonesia)

National Farmers’ Day, also known as National Peasants’ Day, is observed in Indonesia every September 24. This day commemorates the promulgation of the Agrarian Basics …

September 24: Tree Day (Canada)

National Tree Day is observed in Canada on September 24, as part of National Forest Week, which takes place annually in September. This day was …

September 24: Mahidol Day (Thailand)

Mahidol Day is observed in Thailand every September 24 to commemorate the death anniversary of Prince Mahidol Adulyadej, who is recognized as the father of …
september contentkalender

September 24: Santa Cruz Day (Bolivia)

Santa Cruz Day is observed in Santa Cruz, Bolivia, every September 24th. This day celebrates the founding of the city of Santa Cruz de la …

September 24: José Yulo Day (Philippines)

José Yulo Day is observed in Calamba, Laguna, on September 24 each year, commemorating the birth of José Yulo, a prominent Philippine lawyer and politician …

September 24: Mofongo Day (United States)

National Mofongo Day is observed worldwide every September 24, celebrating the Puerto Rican dish mofongo, which is made from mashed plantains and often includes pork …

September 24: Horchata Day (United States)

National Horchata Day is observed every year on September 24 to celebrate the popular beverage known as horchata. This day highlights the drink’s cultural significance, …

Last Wednesday in September: Women’s Health & Fitness Day (United States)

National Women’s Health & Fitness Day is observed in the United States every last Wednesday of September as part of National Women’s Health & Fitness …
september contentkalender

September 24: Festivals for September 24, 2025

On September 24, 2025, various festivals and public holidays will be observed worldwide. In Cambodia, Constitution Day commemorates the re-coronation of King Norodom Sihanouk and …

September 24: AFL Grand Final Parade (Australia)

The AFL Grand Final Parade is observed in Victoria, Australia, every September 26. This event takes place the day before the AFL Grand Final, which …

September 25: Comic Book Day (United States)

What is National Comic Book Day? National Comic Book Day is celebrated annually in the United States on September 25th. This day honors the art, …

September 25: Quesadilla Day (United States)

What is National Quesadilla Day? National Quesadilla Day is celebrated annually in the United States on September 25th to honor the beloved Mexican dish, the …

A year-round Content Calendar

that highlights specific days, weeks, and months to raise awareness for social issues