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.
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August 15 and September 2: V-J Day or Victory over Japan Day
V-J Day marks Japan’s surrender in World War II, observed on August 15 and September 2, honoring victory and remembrance of those who served …
Last Friday in August: Wear It Purple Day (Australia)
Wear It Purple Day is celebrated on the last Friday of August to support LGBTQIA+ youth and promote diversity in Australia and worldwide …
September: Baby Safety Month
September is Baby Safety Month, raising awareness on infant safety through education on safe sleep, car seats, and baby-proofing homes …
September: Chicken Month (United States)
September is Chicken Month in the US, celebrating the versatility and nutrition of chicken with recipes, events, and promotions nationwide …
September: Better Breakfast Month (United States)
Celebrate Better Breakfast Month each September in the US by choosing nutritious morning meals that boost energy and support overall health …
September: Classical Music Month (United States)
September is Classical Music Month in the US, celebrating composers, performances, and the rich history of this timeless genre with concerts and events …
September: Fall Hat Month
Celebrate September as Fall Hat Month, honoring the tradition and style of hats perfect for autumn fashion and cooler weather …
September: Honey Month (United States)
September is Honey Month in the US, celebrating honey’s benefits, beekeeping, and the vital role of bees in pollination and agriculture …
September: Square Dancing Month
Celebrate International Square Dancing Month every September by joining events, workshops, and dance clubs that honor this lively folk dance tradition …
September: Little League Month (United States)
Celebrate Little League Month every September in the US, honoring youth baseball and softball’s impact on teamwork, sportsmanship, and community …
September: Blueberry Popsicle Month (United States)
Celebrate National Blueberry Popsicle Month every September in the US by enjoying delicious and healthy blueberry popsicles, a perfect cool treat …
September: Courtesy Month (United States)
Celebrate National Courtesy Month every September in the US by promoting kindness, respect, and good manners in daily life to build a harmonious community …
September: Mushroom Month
Celebrate National Mushroom Month every September by exploring the culinary, nutritional, and environmental benefits of mushrooms. Discover recipes, health tips, and sustainability facts …
September: Piano Month (United States)
Celebrate National Piano Month every September in the US by exploring piano playing, music education, and the instrument’s rich cultural impact …
September: Self Improvement Month (United States)
Celebrate Self Improvement Month each September in the US by focusing on personal growth, setting goals, and adopting positive habits for a better life …
September: Sewing Month
Celebrate National Sewing Month every September by exploring sewing’s creativity, sustainability, and community impact. Perfect for hobbyists and educators alike …
September: Beach Month
Celebrate World Beach Month every September by appreciating and protecting beaches. Join activities like cleanups and enjoy the natural beauty of coastlines worldwide …
September: Whole Grains Month (United States)
Celebrate Whole Grains Month every September in the US by learning the health benefits of whole grains and how to include them in your diet …
September: Childhood Cancer Awareness Month (United States)
September is Childhood Cancer Awareness Month in the US, honoring affected families and promoting research for better treatments and cures …
September: Oddfellows Friendship Month (United Kingdom)
Celebrate Oddfellows Friendship Month in September UK, promoting friendship, support, and community spirit through events and activities …
September: Sourdough September (United Kingdom)
Celebrate Sourdough September in the UK by exploring the art, history, and health benefits of traditional sourdough baking with tips and recipes …
September: Urology Awareness Month
September is Urology Awareness Month, promoting education on urinary tract and male reproductive health, early detection, and breaking stigma …
September: Alzheimer’s Month
September is World Alzheimer’s Month, dedicated to raising awareness about Alzheimer’s disease, supporting affected families, and promoting research for a cure …
September: Blood Cancer Awareness Month
September marks Blood Cancer Awareness Month, dedicated to educating the public about blood cancers, promoting early detection, and supporting research and patients …
September: Organic September
Organic September is a UK campaign promoting the benefits of organic farming, sustainability, and healthy choices throughout the month …
September: Spinal Cord Injury Awareness Month
September is Spinal Cord Injury Awareness Month, dedicated to raising awareness, supporting research, and advocating for those affected by spinal cord injuries …
September: Suicide Prevention Month
September is Suicide Prevention Month, raising awareness, reducing stigma, and promoting support for mental health and suicide prevention worldwide …
September: Happy Cat Month
Celebrate Happy Cat Month each September by promoting your cat’s health, happiness, and well-being with care tips and enrichment ideas …
September 1: Tofu Day (United Kingdom)
Celebrate National Tofu Day on September 1 in the UK by exploring tofu’s health benefits, sustainability, and versatile recipes for all diets …
September 1: Emma M. Nutt Day (United States)
Emma M. Nutt Day on September 1 honors the first female telephone operator in the US and celebrates women’s role in telecommunications history …
September 1: Cherry Popover Day (United States)
Celebrate National Cherry Popover Day on September 1st by enjoying or baking delicious cherry popovers, a sweet and airy pastry treat popular in the United …
September 1: Letter Writing Day
Celebrate Letter Writing Day on September 1 in Japan, honoring the art of handwritten communication and fostering meaningful connections through personal letters …
September 1: Primate Day
Primate Day on September 1 raises awareness about primates’ role in ecosystems and the threats they face, promoting conservation and ethical tourism …
First Monday of September: Labor Day (United States and Canada)
Labor Day, observed on the first Monday of September in the US and Canada, honors workers’ achievements and marks the unofficial end of summer with …
September Week 1: Payroll Week (United States)
National Payroll Week honors payroll professionals in the US who ensure accurate pay and tax processing, highlighting their vital economic role each September …
September 1: Constitution Day (Slovakia)
Celebrate Slovakia’s Constitution Day on September 1, marking the 1992 adoption of its constitution with fairs, music festivals, and public festivities …
September 1: Revolution Day (Eritrea)
Revolution Day in Eritrea on September 1 marks the start of the independence war led by Hamid Idris Awate against Ethiopian annexation …
September 1: Independence Day (Uzbekistan)
Independence Day in Uzbekistan is celebrated on September 1, marking the country’s declaration of independence from the Soviet Union in 1991 and the establishment of …
September 1: Knowledge Day
Knowledge Day on September 1 marks the start of the school year in many post-Soviet countries with traditions like flower bouquets and bell ringing …
September 1: Journalist Day (Taiwan)
Journalist Day in Taiwan on September 1 honors the 1933 law protecting journalists. It highlights media freedom and features speeches and protests by journalists …
September 1: Trade Union Action for Peace Day (Tajikistan)
September 1 marks Trade Union Action for Peace Day in Tajikistan, celebrating trade unions’ role in workers’ rights and social peace since 1926 …
September 1: Hotel Employee Day (United States)
Celebrate National Hotel Employee Day on September 1, honoring the dedication of hotel workers across the United States with appreciation events and social media campaigns …
September 1: Arbor Day (Peru)
Arbor Day in Peru on September 1 promotes tree importance and reforestation, highlighting the Amazon rainforest’s role and supporting conservation efforts nationwide …
September 1: Flag Day (Honduras)
Celebrate Honduras Flag Day on September 1, marking the start of independence month with events honoring the national flag and its history …
September 1: Disaster Prevention Day
Disaster Prevention Day in Japan on September 1 honors the Great Kantō earthquake victims and promotes preparedness through drills and remembrance …
September 1: Veterans Day (Poland)
Veterans Day in Poland on September 1 honors WWII defenders and commemorates the 1939 invasion that sparked the war, with nationwide remembrance ceremonies …
September 1: Wattle Day (Australia)
Wattle Day on September 1 celebrates Australia’s spring and national floral emblem, the golden wattle, with traditions dating back to 1838 …
September 1: Baguio City Day (Philippines)
Celebrate Baguio City Day on September 1, honoring the city’s rich history, cool climate, and role as the Summer Capital of the Philippines …
September 1: Jasaan Day (Philippines)
Jasaan Day is celebrated every September 1 in Jasaan, Misamis Oriental, marking its founding anniversary and rich history with natural springs and agro-industrial growth …
September 1: Gregorio L. Aglipay Day (Philippines)
Gregorio L. Aglipay Day on September 1 honors the first head of the Philippine Independent Church and his impact on Philippine history …
September 1: Acne Positivity Day (United States)
National Acne Positivity Day on September 1 promotes self-acceptance and combats stigma around acne, encouraging confidence and positive skin attitudes …
September 1: Cap Classique Day (South Africa)
Celebrate Cap Classique Day on September 1 in South Africa, honoring sparkling wines made with the traditional method and showcasing local MCC wines …
Martyrdom of Imam Hasan al-Askari (Iran)
The Martyrdom of Imam Hasan al-Askari in Iran honors the 11th Shia Imam, who was poisoned under house arrest in Samarra, highlighting his spiritual legacy …
September 2: Coconut Day
Celebrate World Coconut Day on September 2, honoring the coconut’s role in agriculture, nutrition, and sustainable livelihoods worldwide …
First Tuesday of September: Sustainable Tuesday (Netherlands)
Sustainable Tuesday in the Netherlands is an annual event on the first Tuesday of September promoting innovative sustainability projects and environmental collaboration …
September 2: Day of Vietnam (Vietnam)
September 2 marks Vietnam’s National Day, celebrating its independence from Japan and France in 1945 with parades and festivities nationwide …
September 2: Day of Russian Guards Units (Russia)
September 2 marks the Day of Russian Guards Units, honoring elite military forces with a legacy dating back to Peter the Great and World War …
September 2: Patrol Police Day (Russia)
Patrol Police Day in Russia on September 2 honors the establishment and bravery of patrol policemen maintaining public order since 1923 …
September 2: Notaries Day (Ukraine)
Notaries Day in Ukraine, celebrated every September 2, honors civil-law notaries for their vital role in legal processes and protecting citizens’ rights …
September 2: Democracy Day (Tibet)
Tibetan Democracy Day on September 2 honors the establishment of the Tibetan Parliament in exile, celebrating democratic governance and Tibetan culture …
September 2: Nueva Ecija Day (Philippines)
Nueva Ecija Day on September 2 honors the province’s key role in the Philippine Revolution and its rich agricultural heritage …
September 2: Simeón Ola Day (Philippines)
Simeón Ola Day on September 2 honors the last Filipino general’s bravery during the Philippine-American War in Albay, Philippines …
September 2: Blueberry Popsicle Day (United States)
Celebrate Blueberry Popsicle Day on September 2 with a refreshing homemade treat using Greek yogurt and frozen blueberries. Enjoy this classic dessert tradition …
Ramdev Jayanti and Teja Dashmi (India)
Ramdev Jayanti and Teja Dashmi are celebrated in Rajasthan honoring Veer Teja and Ramdev Pir with fairs and blessings in key villages and temples …
First Wednesday in September: Indigenous Literacy Day (Australia)
Indigenous Literacy Day in Australia celebrates Indigenous languages and promotes literacy with support from the Indigenous Literacy Foundation …
September 3: Skyscraper Day (United States)
Celebrate Skyscraper Day on September 3 in the US, honoring the innovation and impact of skyscrapers on urban design and sustainability …
September 3: Republic Day (San Marino)
Celebrate San Marino’s Republic Day on September 3, honoring its 301 founding with religious ceremonies, cultural events, and traditional festivities …
September 3: Tokehega Day (Tokelau)
Tokehega Day in Tokelau on September 3 marks the Treaty of Tokehega, defining maritime boundaries and reflecting on Swains Island’s status …
September 3: Army Day (Moldova)
National Army Day in Moldova on September 3 honors the founding of the Armed Forces in 1991, celebrating national security and military service …
September 3: Armed Forces Day (Taiwan)
Armed Forces Day in Taiwan on September 3 honors the victory over Japan in World War II with events and celebrations across the country …
September 3: Civil Aviation Day (Tajikistan)
Celebrate Civil Aviation Day in Tajikistan on September 3, honoring pioneers and employees who shaped the country’s air travel history since 1924 …
September 3: Guard Day (Tajikistan)
National Guard Day in Tajikistan on September 3 honors the National Guard’s role in public safety, presidential protection, and national security …
September 3: Anniversary of the End of WWII (Russia)
September 3 marks Russia’s official memorial day for the end of WWII, commemorating Japan’s surrender and the transition from war to peace …
September 3: Solidarity Against Terrorism Day (Russia)
September 3 marks Solidarity Against Terrorism Day in Russia, honoring victims of the 2004 Beslan school siege and remembering those lost to terrorism …
September 3: Japan’s Surrender Day (China, Hong Kong and Philippines)
September 3 marks Japan’s Surrender Day, commemorated in China, Hong Kong, and the Philippines to honor the end of World War II and Japan’s defeat …
September 3: Australian Flag Day (Australia)
Australian Flag Day on September 3 honors the first flying of the national flag in 1901, marked by ceremonies nationwide though not a public holiday …
September 3: Independence Day (Qatar)
Independence Day in Qatar on September 3 marks the nation’s freedom from British rule in 1971, celebrating its history and growth as a wealthy state …
September 3: Merchant Navy Day (Canada and United Kingdom)
Merchant Navy Day on September 3 honors the bravery and sacrifices of merchant seafarers in Canada and the UK during World Wars I and II …
September 3: Levy Mwanawasa Day (Zambia)
Levy Mwanawasa Day on September 3 honors Zambia’s third president and his fight against corruption, boosting the nation’s economy and foreign investment …
September 3 Day of Combat Against British Colonialism (Iran)
September 3 marks Iran’s Day of Combat Against British Colonialism, honoring Rais Ali Delvari’s resistance and sacrifice against foreign domination …
September 3: Welsh Rarebit Day (United States)
Celebrate Welsh Rarebit Day on September 3 by enjoying this classic melted cheese dish served over toasted bread. Discover easy recipes and its rich history …
Karam (Karma) Harvest Festival (India)
The Karam Harvest Festival in India celebrates the deity Karam with rituals, dancing, and traditional treats, observed in several states each year …
September 4: Sexual Health Day
World Sexual Health Day on September 4 promotes open conversation, education, and access to care for sexual health worldwide …
September 4: Newspaper Carrier Day (United States)
Celebrate Newspaper Carrier Day on September 4th, honoring the dedication of carriers who deliver news rain or shine, keeping communities informed …
September 4: Doodle Day (United Kingdom)
Celebrate National Doodle Day on September 4 in the UK by doodling for fun and supporting epilepsy research through creative expression and charity …
September 4: Wildlife Day (United States)
Celebrate National Wildlife Day on September 4th by supporting conservation efforts and raising awareness about protecting endangered species and habitats …
September 4: Toothfish Day (South Georgia and the South Sandwich Islands)
Toothfish Day on September 4 celebrates the Patagonian toothfish fishery’s economic and environmental importance in South Georgia and the South Sandwich Islands …
September 4: Taekwondo Day
Celebrate International Taekwondo Day on September 4, honoring the martial art’s Olympic recognition and rich Korean heritage with events worldwide …
September 4: PKD Awareness Day
September 4 is PKD Awareness Day, dedicated to educating the public about polycystic kidney disease, its symptoms, and supporting research worldwide …
September 4: Nuclear Provision Expert’s Day (Russia)
Nuclear Provision Expert’s Day in Russia honors professionals in nuclear development, commemorating the USSR’s 1947 Special Department and key nuclear milestones …
September 4: Customs Service Worker’s Day (Moldova)
Customs Service Worker’s Day in Moldova on September 4 honors the establishment of the Customs Service and its role in national economic security …
September 4: Rescuer’s Day (Armenia)
Rescuer’s Day in Armenia on September 4 honors the bravery and dedication of rescuers responding to emergencies and disasters …
September 4: Immigrant’s Day (Argentina)
Immigrant’s Day in Argentina, celebrated on September 4, honors the diverse cultures shaping the nation, with festivals showcasing traditions from many countries …
September 4: Book Day (Tajikistan)
Book Day in Tajikistan on September 4 celebrates the National Library’s founding with events promoting Tajik literature and book publishing …
September 4: Royal Thai Navy Submarine Memorial Day (Thailand)
Royal Thai Navy Submarine Memorial Day on September 4 honors submarine crews from 1938-1951 and commemorates the first Matchanu class submarines …
September 4: Macadamia Nut Day (United States)
Celebrate National Macadamia Nut Day on September 4 by enjoying delicious macadamia treats and learning about their unique health benefits and culinary uses …
September 4: Spice Blend Day (United States)
Celebrate National Spice Blend Day on September 4 by exploring diverse spice mixes like garam masala and za’atar to enhance your cooking …
September 4: Cooperation Day (Iran)
Cooperation Day in Iran on September 4 honors the cooperative sector’s role in the economy and social development, celebrating diverse industries and community impact …
September 4: Customer Day (Indonesia)
Celebrate Indonesia’s National Customer Day on September 4, honoring customer service and fostering loyalty through exceptional support and engagement …
First Thursday and Friday in September: Engineer’s Day (Tanzania)
Engineer’s Day in Tanzania is celebrated on the first Thursday and Friday of September, featuring presentations, awards, and exhibitions organized by the Engineers Registration Board …
First Friday in September: Labor Day (Marshall Islands)
Labor Day in the Marshall Islands is celebrated every first Friday of September to honor common workers with parades and festivities …
First Friday in September: Art Break Day
Celebrate Art Break Day on the first Friday of September by taking a creative pause. Join global communities in making art to boost creativity and …
First Friday of September: Chianti Day (United States)
Celebrate National Chianti Day on September 5 by enjoying the famous red wine from Tuscany, Italy, with tastings and social sharing …
First Friday in September: Lazy Mom’s Day (United States)
Celebrate the first Friday in September as Lazy Mom’s Day, a special time for moms in the USA to relax and prioritize self-care guilt-free …
First Friday in September: Food Bank Day
National Food Bank Day, observed the first Friday of September, honors food banks and encourages donations, volunteering, and support to fight hunger worldwide …
September 5: Be Late for Something Day
Celebrate Be Late for Something Day on September 5 by embracing a relaxed approach to time and enjoying life without rushing or strict schedules …
September 5: Cheese Pizza Day (United States)
Celebrate Cheese Pizza Day on September 5th by enjoying the classic, beloved cheese pizza. Discover its history, themes, and fun ways to join the celebration …
September 5: Day of Charity
International Day of Charity on September 5 promotes giving, volunteerism, and global efforts to combat poverty and inequality inspired by Mother Teresa …
First Friday of September: Bring Your Manners to Work Day (United States)
Celebrate Bring Your Manners to Work Day on the first Friday of September by promoting respect, professionalism, and kindness in the workplace for better teamwork …
September 5: Mother Teresa Day (Albania)
Mother Teresa Day in Albania on September 5 honors her legacy of compassion and humanitarian work, commemorating her death and canonization …
September 5: Samosa Day
Celebrate World Samosa Day on September 5 by enjoying this popular savory pastry from Asian and East African cuisines, known for its delicious fillings and …
September 5: Spinal Cord Injury Day
World Spinal Cord Injury Day is observed every September 5 to raise awareness and promote care for individuals with spinal cord injuries worldwide …
5 September: Egyptian Engineering Day (Egypt)
Egyptian Engineering Day on September 5 showcases innovative graduation projects by young engineers, offering a platform to explore new technologies and market solutions …
September 5: Teachers’ Day (India)
Teachers’ Day in India is celebrated on September 5 to honor educators and the birth of Sarvepalli Radhakrishnan, with special school events and student participation …
September 5: Day of Languages of the Peoples of Kazakhstan (Kazakhstan)
Celebrate the Day of Languages of the Peoples of Kazakhstan on September 5, honoring the country’s linguistic diversity and cultural heritage …
September 5: Flag-Flying Day for Denmark’s Deployed Personnel (Denmark)
September 5 is Flag-Flying Day in Denmark, honoring deployed Danish Defense personnel serving in humanitarian and peacekeeping missions worldwide …
September 5: Cellulite Day (United States)
National Cellulite Day on September 5 promotes body positivity by normalizing cellulite, a natural condition affecting many women worldwide …
September 5: Scouts’ Day (Argentina)
Scouts’ Day in Argentina on September 5 honors the Scout movement’s impact on youth and society, featuring charity events and community service …
First Saturday of September: Vulture Awareness Day
International Vulture Awareness Day is observed on the first Saturday of September to highlight the vital ecological role of vultures and promote their conservation …
First Saturday in September: Hummingbird Day (United States)
Celebrate National Hummingbird Day on the first Saturday of September by learning about these tiny, vital pollinators and supporting their conservation …
Mawlid
Mawlid celebrates the birth of Prophet Muhammad on Rabi’ al-awwal 12, observed with festivities in many Muslim countries including Pakistan …
September 6: Read A Book Day (United States)
Celebrate National Read A Book Day on September 6th by enjoying your favorite books and promoting literacy across the United States …
September 6: Bonaire Day (Day of the Flag)
Celebrate Bonaire Day on September 6th with parades, cultural performances, and the raising of Bonaire’s flag honoring the island’s heritage and unity …
September 6: Fight Procrastination Day
Fight Procrastination Day on September 6 encourages overcoming delays and boosting productivity through time management and goal setting …
First Saturday of September: Tailgating Day (United States)
Celebrate National Tailgating Day on the first Saturday of September with food, games, and football fun in the US. Join the festive pre-game tradition! …
First Saturday of September: Beard Day
Celebrate the first Saturday of September with World Beard Day, honoring beards and the culture around facial hair through fun events and community gatherings …
First Saturday after Labor Day in September: Carl Garner Federal Lands Cleanup Day (United States)
Carl Garner Federal Lands Cleanup Day is a U.S. observance encouraging volunteers to clean and preserve federal public lands annually after Labor Day …
First Weekend of September: Port Days (Netherlands)
Discover World Port Days in Rotterdam, a vibrant maritime festival celebrating one of the world’s largest ports with tours, demos, and family fun every September …
September 6: Armed Forces Day in São Tomé and Príncipe (Sao Tome and Principe)
Armed Forces Day in São Tomé and Príncipe on September 6 honors the country’s military and highlights its challenges and significance …
September 6: Unification Day (Bulgaria)
Unification Day in Bulgaria, celebrated on September 6, honors the 1885 unification of Bulgaria and Eastern Rumelia with nationwide events and ceremonies …
September 6: Independence Day (Eswatini and Swaziland)
Celebrate Eswatini’s Independence Day on September 6, honoring its freedom from British rule and rich cultural heritage …
September 6: Administrative Service Center Employee Day (Ukraine)
Celebrate Administrative Service Center Employee Day in Ukraine on September 6, honoring the vital role of these centers in improving public services …
September 6: Defense Day (Pakistan)
Defense Day in Pakistan on September 6 honors those who died in the 1965 Indo-Pakistani War, marked by ceremonies and patriotic events nationwide …
September 6: Elcano Day (Spain)
Elcano Day on September 6 honors Basque navigator Juan Sebastián Elcano, who completed the first circumnavigation of the Earth in 1522 …
September 6: Coffee Ice Cream Day (United States)
Celebrate National Coffee Ice Cream Day on September 6 by enjoying the perfect blend of coffee and ice cream, a treat loved since the 19th …
September 6: Younger Sister’s Day
Younger Sister’s Day on September 6 celebrates the bond with younger sisters, inspired by Japanese culture and astrology, with events and anime highlights …
First Sunday in September: Day of Belarusian Written Language (Belarus)
The Day of Belarusian Written Language is celebrated every first Sunday of September, honoring Belarusian culture, history, and language heritage with various events …
Ghost Festival (China, Taiwan, Singapore, Malaysia and Vietnam)
The Ghost Festival, celebrated in China, Taiwan, Singapore, Malaysia, and Vietnam, honors spirits with rituals, offerings, and traditional performances …
First Saturday of the Month: Play Outside Day (United States)
Celebrate the first Saturday of each month with National Play Outside Day in the USA, promoting outdoor fun and family activities for all ages …
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 celebrated on the first Sunday in September in Russia, Belarus, Armenia, Kyrgyzstan, Kazakhstan, and Moldova …
First Sunday in September: Entrepreneur’s Day (Ukraine)
Entrepreneur’s Day in Ukraine is celebrated every first Sunday of September, honoring the vital role of entrepreneurs in the nation’s economic growth and job creation …
First Sunday in September: Lake Baikal Day (Russia)
Lake Baikal Day in Russia is celebrated every first Sunday of September to promote conservation of the world’s largest freshwater lake in Siberia …
First Sunday in September: Mushroom Day (Sweden, Norway and Denmark)
Celebrate Mushroom Day in Scandinavia on the first Sunday of September with foraging, cooking classes, and mushroom education in Sweden, Norway, and Denmark …
First Sunday in September: Father’s Day (Australia)
Father’s Day in Australia is celebrated on the first Sunday in September, honoring fathers with gifts and quality time. It shares origins with the American …
Second Week of September: Waste-Free Week (Verspillingsvrije Week)
Discover Waste-Free Week in September, a Dutch campaign promoting mindful food consumption to reduce waste and protect the environment …
September Week 1: Migraine Awareness Week (United Kingdom)
Migraine Awareness Week in the UK raises awareness about migraines, educating the public and supporting those affected with information on symptoms and management …
September 7: Salami Day (United States)
Celebrate National Salami Day on September 7th by exploring various salami types, enjoying delicious recipes, and honoring this classic cured meat tradition …
September 7: Neither Rain nor Snow Day (United States)
Celebrate Neither Rain nor Snow Day on September 7, honoring postal workers’ dedication to delivering mail through all weather conditions. Appreciate their hard work and …
September 7: Independence Day (Brazil)
Celebrate Brazil’s Independence Day on September 7th, honoring the historic 1822 declaration of freedom with parades, fireworks, and national pride …
September 7: Victory Day (Mozambique)
Victory Day in Mozambique on September 7 marks the Lusaka Accord signing, ending the War of Independence and celebrating national unity and rebuilding …
September 7: Still’s Disease Awareness Day
September 7 marks Still’s Disease Awareness Day, raising global awareness for this rare autoinflammatory condition affecting joints and organs …
Civil Servant’s Day (Nepal)
Civil Servant’s Day in Nepal is celebrated annually on September 7, honoring government employees with awards and activities, providing a day off for many …
September 7: Air Force Day (Pakistan)
Air Force Day in Pakistan on September 7 honors the Pakistan Air Force’s valor, especially during the 1965 Indo-Pak war, with annual airshows and events …
September 7: Engineer Troops Day (Armenia)
Engineer Troops Day in Armenia on September 7 honors military engineers for their vital role in defense and demining since 1992 …
September 7: Military Intelligence Day (Ukraine)
Military Intelligence Day in Ukraine on September 7 honors the founding of the Main Directorate of Intelligence and the country’s rich intelligence history …
September 7: Fish Farmer Day (Russia)
Fish Farmer Day in Russia on September 7 honors aquaculture workers and the legacy of Vladimir Vrassky, a pioneer in fish farming history …
September 7: Threatened Species Day (Australia)
National Threatened Species Day in Australia on September 7 honors the extinct Tasmanian wolf and raises awareness about endangered species conservation …
September 7: Grandma Moses Day (United States)
Celebrate Grandma Moses Day on September 7, honoring the folk artist who began painting at 78 and inspired many to try new things …
September 7: New Hampshire Day (United States)
Celebrate New Hampshire Day on September 7, honoring the state’s rich history and its role as the ninth colony to join the U.S. Constitution …
September 7: Acorn Squash Day (United States)
Celebrate National Acorn Squash Day on September 7 by enjoying this nutritious and versatile winter squash in various delicious recipes …
September 7: Constitution Day (Fiji)
Constitution Day in Fiji on September 7 marks the adoption of the 2013 Constitution and highlights key reforms and civic engagement …
September 7: Beer Lovers Day (United States)
Celebrate National Beer Lovers Day on September 7 by enjoying craft beers, brewery tours, and fun beer-themed activities with fellow enthusiasts …
September 7: Duchenne Awareness Day
September 7 marks World Duchenne Awareness Day, raising awareness about Duchenne muscular dystrophy, its symptoms, treatments, and the importance of early diagnosis …
September 7: Day of Clean Air for Blue Skies
September 7 marks the International Day of Clean Air for Blue Skies, promoting global efforts to reduce air pollution and protect health and the environment …
September 7: Day of Police Cooperation
Celebrate the International Day of Police Cooperation on September 7, highlighting global law enforcement collaboration to combat crime and ensure security …
September 7: Grateful Patient Day (United States)
Celebrate Grateful Patient Day on September 7 by thanking healthcare professionals and sharing inspiring health recovery stories. Join the movement of gratitude …
September 7: Day of the Battle of Borodino (Russia)
The Day of the Battle of Borodino on September 8 honors the 1812 Napoleonic War battle, one of the deadliest and most significant in Russian …
First Sunday of September: Day of Jewish Culture
Celebrate the European Day of Jewish Culture on the first Sunday of September by exploring Jewish heritage, history, and traditions across Europe …
First Sunday after labor Day September: Grandparent’s Day
Grandparent’s Day, celebrated the first Sunday after Labor Day, honors the special bond between grandparents and grandchildren with family gatherings and gratitude …
September 8: Literacy Day
International Literacy Day on September 8 raises awareness about literacy as a vital human right and promotes education worldwide for all ages …
September 8: Ampersand Day (United States)
Celebrate National Ampersand Day on September 8th, honoring the iconic & symbol and its rich history in typography, design, and branding across the U.S …
September 8: Pardon Day (United States)
Celebrate Pardon Day on September 8 by forgiving, seeking forgiveness, and healing relationships through empathy and kindness in the United States …
September 8: Star Trek Day
Celebrate Star Trek Day on September 8th by honoring the iconic series’ legacy of exploration, diversity, and futuristic vision that inspires fans worldwide …
September 8: Victory Day (Malta)
Victory Day in Malta on September 8th commemorates the Great Siege of 1565, Italian WWII surrender, and Virgin Mary’s birth with cultural and religious events …
September 8: Physical Therapy Day
Celebrate World Physical Therapy Day on September 8 to recognize physiotherapists’ vital role in health, recovery, and mobility improvement worldwide …
September Week 1: Know Your Numbers Week (United Kingdom)
Know Your Numbers Week in the UK raises awareness about blood pressure and heart health, encouraging regular monitoring to prevent serious health issues …
Umhlanga (Reed Dance) (Eswatini and Swaziland)
Umhlanga, or the Reed Dance, is an eight-day cultural festival in Eswatini celebrating maidens’ chastity with dance, cattle rituals, and public holidays …
September 8: National Day (Andorra)
Andorra’s National Day on September 8 honors Our Lady of Meritxell with cultural events and public celebrations reflecting the nation’s heritage …
September 8: Independence Day (North Macedonia)
Celebrate North Macedonia’s Independence Day on September 8, marking its 1991 declaration of independence with concerts, cultural displays, and traditional food …
September 8: Nativity of the Blessed Virgin Mary
Celebrate the Nativity of the Blessed Virgin Mary on September 8, honoring Saint Mary’s birth with traditions worldwide, including unique festivities in France and India …
September 8: Lissencephaly Awareness Day
Lissencephaly Awareness Day on September 8 raises awareness about this rare brain disorder causing developmental delays and cognitive challenges …
September 8: Financier’s Day (Russia)
Financier’s Day in Russia on September 8 honors financial sector professionals and celebrates the Ministry of Finance’s founding anniversary …
September 8: Volunteer Day (Spain)
Volunteer Day in Spain on September 8 honors Spanish volunteers working globally to fight poverty and promote sustainable development …
September 8: Dog Walker Appreciation Day (United States)
Celebrate National Dog Walker Appreciation Day on September 8 by thanking dog walkers for their dedication and hard work in caring for pets …
September 8: Pediatric Hematology/Oncology Nurses Day (United States)
Celebrate Pediatric Hematology/Oncology Nurses Day on September 8, honoring nurses dedicated to caring for children with blood disorders and cancers …
September 8: Iguana Awareness Day (United States)
Celebrate National Iguana Awareness Day on September 8 by learning about these fascinating tropical lizards and how to care for them as pets …
September 8: Kosrae Liberation Day (Micronesia)
Kosrae Liberation Day on September 8 honors the end of Japanese occupation in 1945 with ceremonies, traditional foods, and cultural festivities in Micronesia …
September 8: Coronation Anniversary of Vytautas the Great (Lithuania)
September 8 marks the Coronation Anniversary of Vytautas the Great, a revered Lithuanian hero known for his leadership and contributions to Lithuania’s development …
September 8: Asturias Day (Spain)
Asturias Day on September 8 celebrates Asturias’ heritage and the historic Battle of Covadonga with festivals, services, and cultural events in Spain …
September 8: Extremadura Day (Spain)
Extremadura Day on September 8 celebrates the region’s heritage with religious ceremonies, festivals, and community events honoring Our Lady of Guadalupe …
September 9: Teddy Bear Day
Celebrate Teddy Bear Day on September 9 by honoring the iconic stuffed toy that brings comfort and joy to all ages. Share stories, gift bears, …
September 9: Day of Birth (Dag van de Geboorte)
September 9 marks the Day of Birth in the Netherlands, celebrating childbirth, parents, and healthcare providers who support this miraculous journey …
September 9: Sudoku Day
Celebrate International Sudoku Day on September 9 by solving puzzles and boosting your mental skills with this popular number game enjoyed worldwide …
September Week 2: Air Ambulance Week
Air Ambulance Week in the UK raises awareness and funds for vital emergency air ambulance services that save lives across the country each September …
September Week 2: United Kingdom Savings Week
Celebrate UK Savings Week in September by boosting your financial awareness and improving your savings habits with tips from banks, schools, and experts …
September 9: Independence Day (Tajikistan)
Celebrate Tajikistan’s Independence Day on September 9, marking freedom from the Soviet Union with festivities across the nation, especially in Dushanbe …
September 9: Independence Day (North Korea)
North Korea’s Independence Day on September 9 marks the founding of the DPRK in 1948 with celebrations in Pyongyang including parades and ceremonies …
September 9: Beauty Day
International Beauty Day on September 9 celebrates inner and outer beauty, promoting high standards in the beauty industry worldwide …
September 9: Box Wine Day
Celebrate International Box Wine Day on September 9 by enjoying affordable, sustainable box wine with friends and sharing your experience online …
September 9: Fetal Alcohol Spectrum Disorders Awareness Day
International Fetal Alcohol Spectrum Disorders Awareness Day is observed every September 9 to educate about the risks of alcohol during pregnancy and promote prevention …
September 9: 9p Minus Awareness Day
September 9 marks International 9p Minus Awareness Day, raising awareness about the rare 9p deletion syndrome and supporting affected individuals worldwide …
September 9: Administrators’ Day (Brazil)
Administrators’ Day in Brazil on September 9 honors professionals managing organizations and highlights their vital role in decision-making and problem-solving …
September 9: Emergency Services Day (United Kingdom)
Emergency Services Day on September 9 honors UK emergency workers and promotes volunteering and life-saving skills across the nation …
September 9: State Security Employees Day (Moldova)
State Security Employees Day in Moldova honors the dedication of SIS officers and celebrates the Ministry of National Security’s founding every September 9 …
September 9: Thung Yai-Huai Kha Khaeng Wildlife Sanctuaries Day (Thailand)
Celebrate Thung Yai-Huai Kha Khaeng Wildlife Sanctuaries Day on September 9, honoring Thailand’s rich biodiversity and UNESCO heritage sites …
September 9: Chrysanthemum Day (Japan)
Chrysanthemum Day, or Kiku no Sekku, is celebrated in Japan on September 9 with flower shows honoring the imperial symbol and cultural heritage …
September 9: Sports Day (Indonesia)
Indonesia celebrates National Sports Day every September 9, honoring the first National Sports Week in 1948 with events promoting fitness and sportsmanship …
September 9: Memorial Day for the Victims of the Crimean War (Russia and Ukraine)
Memorial Day on September 9 honors the victims of the Crimean War, focusing on the Siege of Sevastopol and its impact on Russia and Ukraine …
September 9: İzmir Independence Day (Turkey)
İzmir Independence Day on September 9 commemorates the 1922 liberation of Smyrna from Greek occupation, celebrated with vibrant local festivities …
September 9: Day of the Victims of Holocaust and of Racial Violence (Slovakia)
September 9 marks Slovakia’s Day of the Victims of Holocaust and Racial Violence, commemorating the Jewish Code and honoring those lost during WWII …
September 9: California Admission Day (United States)
California Admission Day on September 9 celebrates California joining the U.S. as the 31st state in 1850, marking its unique history and statehood …
September 9: Osmeña Day (Philippines)
Osmeña Day on September 9 honors Sergio Osmeña Sr., Cebu-born fourth President of the Philippines, celebrating his legacy and contributions to the nation …
September 9: Mina Foundation Day (Philippines)
Mina Foundation Day is celebrated every September 9 in Iloilo, Philippines, marking the municipality’s establishment and rich history …
September 9: Wiener Schnitzel Day (United States)
Celebrate National Wiener Schnitzel Day on September 9, honoring the classic Austrian veal dish known for its crispy breaded coating and traditional sides …
September 9: Martyrs Day (Afghanistan)
Martyrs Day in Afghanistan honors Ahmad Shah Massoud and all who died fighting for the country, observed annually on September 9 since 2012 …
September 9: Steak Au Poivre Day (United States)
Celebrate Steak Au Poivre Day on September 9 by enjoying the classic French pepper steak, seared filet mignon with creamy peppercorn sauce and tasty sides …
September 9: Day to Protect Education from Attack
September 9 marks the International Day to Protect Education from Attack, highlighting the need to safeguard learning during crises and conflicts worldwide …
September 9: Children’s Day (Costa Rica)
Children’s Day in Costa Rica on September 9 celebrates childhood with fun activities and highlights children’s rights and education quality …
September 10: Sewing Machine Day (United States)
Celebrate Sewing Machine Day on September 10 in the US, honoring the invention that transformed sewing and fashion industries …
September 10: Swap Ideas Day (United States)
Celebrate Swap Ideas Day on September 10 in the US by sharing and exchanging ideas to boost creativity and collaboration in all areas of life …
September 10: Technical Analyst Day
Celebrate International Technical Analyst Day on September 10, honoring experts who analyze market trends and guide investors with data-driven insights …
September 10: Suicide Prevention Day
World Suicide Prevention Day on September 10 raises awareness, supports mental health, and encourages action to prevent suicide worldwide …
September 10: National Day (Belize)
National Day in Belize on September 10 honors the 1798 Battle of St. George’s Caye, celebrating Belizean bravery and independence from Spain …
September 10: National Day (Gibraltar)
Celebrate Gibraltar National Day on September 10 with vibrant festivities, including balloon releases, concerts, and a children’s fancy dress competition …
September 10: Feast of Saint Nicholas of Tolentino (Bonok-Bonok Festival) (Philippines)
Celebrate the Feast of Saint Nicholas of Tolentino, known as the Bonok-Bonok Festival in Surigao City, featuring traditional dances, parades, and cultural events every September …
September 10: Port Wine Day
Celebrate Port Wine Day on September 10 by exploring the rich heritage and unique flavors of Portuguese port wine, a fortified wine from the Douro …
September 10: Teachers’ Day (China and Hong Kong)
Teachers’ Day in China and Hong Kong is celebrated on September 10 to honor educators and their contributions, with students showing gratitude through gifts and …
September 10: Amerindian Heritage Day (Guyana)
Amerindian Heritage Day in Guyana on September 10 honors the indigenous peoples and celebrates Stephen Campbell, the first Amerindian MP elected in 1957 …
September 10: San Jose del Monte Foundation Day (Philippines)
San Jose del Monte Foundation Day on September 10 celebrates the city’s cityhood and rich history in Bulacan, Philippines with local festivities …
September 10: TV Dinner Day (United States)
Celebrate National TV Dinner Day on September 10 in the US, honoring the convenience and history of prepackaged meals that changed family dinners …
September 10: Caramel Cheesecake Day (United States)
Celebrate Caramel Cheesecake Day on September 10 by enjoying this creamy dessert topped with rich caramel sauce, a modern favorite since the 19th century …
September 10: Children’s Day (Honduras)
Celebrate Children’s Day in Honduras on September 10 with gifts, music, dances, and traditional piñatas, making it a joyful holiday for kids …
Birth of Prophet Muhammad and of Imam Jafar al-Sadiq (Iran)
Iranian Muslims celebrate the birth of Prophet Muhammad and Imam Jafar al-Sadiq on the 17th of Rabi’ al-awwal, a significant Shia holiday with religious festivities …
Second Thursday in September: MPN Awareness Day
MPN Awareness Day, observed every second Thursday in September, raises awareness about rare blood cancers and supports those affected worldwide …
Second Thursday of September: R U OK? Day (Australia)
R U OK? Day in Australia encourages conversations about mental health and suicide prevention on the second Thursday of September each year …
Second Thursday in September: Stand Up Against Bullying Day (Canada)
Stand Up Against Bullying Day in Nova Scotia raises awareness about bullying and promotes kindness every second Thursday in September …
September 11: Patriot Day (9/11 Remembrance United States)
September 11 Patriot Day honors the victims and heroes of the 2001 terrorist attacks, reflecting on loss, resilience, and national unity in the United States …
September 11: Make Your Bed Day (United States)
Celebrate Make Your Bed Day on September 11 in the US by starting your day with a simple habit that boosts productivity and mental clarity …
September 11: No News is Good News Day (United States)
No News is Good News Day on September 11 encourages taking a break from negative news to focus on positivity and mental well-being in the …
September 11: Emergency Number Day (United States)
Emergency Number Day on September 11 honors the 9-1-1 system and first responders who save lives across the United States every day …
September 11: Hot Cross Buns Day (United States)
Celebrate National Hot Cross Buns Day on September 11 by enjoying or baking these spiced, sweet buns marked with a cross, rich in history and …
September 11: La Diada (Catalonia Day)
La Diada, Catalonia National Day on September 11, commemorates Barcelona’s 1714 fall and celebrates Catalan identity, culture, and political aspirations …
September / October : Rosh Hashanah
Rosh Hashanah, the Jewish New Year, is celebrated with prayers, shofar blowing, and festive meals, marking a time of reflection and renewal in September or …
September 11: Enkutatash (Eritrea, Ethiopia and Ethiopian New Year)
Enkutatash, the Ethiopian New Year, is celebrated on September 11 in Ethiopia and Eritrea with church services, family meals, and flower-giving traditions …
September 11: Our Lady of Coromoto Day (Venezuela)
Our Lady of Coromoto Day on September 11 honors Venezuela’s patroness, linked to a 1650s apparition and evangelization history. Banks often close …
September 11: Teachers’ Day (Argentina)
Teachers’ Day in Argentina on September 11 honors Domingo Faustino Sarmiento, a key education reformer and former president who transformed the country’s schooling system …
September 11: Radio Day (Indonesia)
National Radio Day in Indonesia on September 11 celebrates the founding of Radio Republik Indonesia and the vital role of radio in the nation’s media …
September 11: Battle of Tendra Day (Russia)
Battle of Tendra Day on September 11 honors Russia’s naval victory in 1790 during the Russo-Turkish War, led by Admiral Ushakov …
September 11: Death Anniversary of Muhammad Ali Jinnah (Pakistan)
September 11 marks the death anniversary of Muhammad Ali Jinnah, Pakistan’s founding father, observed with speeches, prayers, and ceremonies …
September 11: Jeûne genevois (Switzerland)
Jeûne genevois is a public holiday in Geneva commemorating the 1572 St. Bartholomew’s Day massacre, celebrated with cultural traditions like plum pie …
September 11: Pohnpei Liberation Day (Micronesia)
Pohnpei Liberation Day on September 11 celebrates the island’s freedom from Japanese occupation with sports, parades, and ceremonies in Micronesia …
September 11: 1973 Coup Anniversary (Chile)
Every September 11, Chileans remember the 1973 coup that ousted President Allende and began Pinochet’s military dictatorship, marked by protests and commemorations …
September 11: Marcos Day (Philippines)
Marcos Day on September 11 in Ilocos Norte honors Ferdinand Marcos’s birthday with events and ceremonies, reflecting his complex legacy in the Philippines …
September 11: Day of Sobriety (Russia)
Day of Sobriety is an unofficial Russian holiday on September 11, revived by the Orthodox Church and temperance activists to promote abstinence from alcohol …
September 11: Kebab Day (Sweden)
Kebab Day in Sweden on September 11 celebrates the popular Middle Eastern street food, featuring kebab in pita, kebab pizza, and favorite sauces like garlic …
September 12: Heritage Day (Zimbabwe)
Heritage Day in Zimbabwe on September 12 celebrates the nation’s diverse cultures, traditions, and history, promoting unity and pride among Zimbabweans …
September 12: Film Day (Iran)
National Film Day in Iran on September 12 celebrates the country’s rich cinematic history, influential filmmakers, and vibrant film culture …
September 12: Chocolate Milk Shake Day (United States)
Celebrate Chocolate Milkshake Day on September 12th in the US by enjoying this creamy, sweet treat with family, friends, or at your favorite diner …
September 12: Day of Encouragement (United States)
Celebrate National Day of Encouragement on September 12 by spreading positivity and uplifting others with kind words and support across the United States …
September 12: Video Games Day (united States)
Celebrate National Video Games Day on September 12th in the US, honoring gaming’s creativity, history, and cultural impact for players of all ages …
Second Saturday of September: Day of First Aid
Celebrate the Day of First Aid on the second Saturday of September by learning essential life-saving skills and promoting emergency preparedness worldwide …
September Week 3: Professional Care Workers’ Week
Professional Care Workers’ Week in September honors UK care workers’ dedication and highlights challenges like low wages and mental health support …
September 12: Crochet Day
Celebrate International Crochet Day on September 12 by exploring crochet’s rich history and enjoying creative activities that boost skills and relieve stress …
September 12: Dolphin Day
World Dolphin Day on September 12 raises awareness about dolphin protection and highlights threats like hunting and habitat loss. Join efforts to save dolphins …
September 12: Investigative Committee Day (Belarus)
Investigative Committee Day in Belarus on September 12 honors the founding of the Investigative Committee, celebrating its role in improving preliminary investigations …
September 12: Police Woman Day (United States)
National Police Woman Day on September 12 honors the vital role and history of female police officers in the US and encourages women in law …
September 12: Electronic Warfare Specialists Day (Ukraine)
Electronic Warfare Specialists Day in Ukraine honors military experts using the electromagnetic spectrum to disrupt enemy operations, vital in modern warfare …
September 12: Mindfulness Day
Mindfulness Day on September 12 promotes focusing on the present with meditation and workshops to enhance emotional well-being and awareness …
September 12: Ruhnama Day (Turkmenistan)
Ruhnama Day in Turkmenistan on September 12 honors the 2001 release of Ruhnama by former President Niyazov, reflecting Turkmen culture and history …
September 12: Saint Patrick’s Battalion Remembrance Day (Mexico)
September 12 honors Saint Patrick’s Battalion, Irish immigrants who fought for Mexico in the Mexican-American War and were executed for desertion …
September 12: Defenders Day (United States)
Defenders Day on September 12 honors Maryland’s defense of Baltimore during the War of 1812, inspiring the U.S. national anthem …
Baptism of the Prophet (Mali)
The Baptism of the Prophet in Mali is a unique celebration of Islamic birth rites with pre-Islamic roots, observed seven days after Prophet Muhammad’s birthday …
Second Saturday in September: Day of Ukrainian Cinema (Ukraine)
Day of Ukrainian Cinema, celebrated every second Saturday of September, honors Ukraine’s film industry professionals and rich cinematic history …
Second Saturday in September: Day of Physical Culture and Sport
The Day of Physical Culture and Sport in Ukraine honors athletes, coaches, and sports enthusiasts every second Saturday of September with competitions and celebrations …
Second Saturday in September: Day of Energy Industry Workers (Turkmenistan)
The Day of Energy Industry Workers in Turkmenistan honors professionals every second Saturday of September, celebrating their vital role in the nation’s energy sector …
Second Saturday in September: Ukrainian Borscht Day (Ukraine)
Celebrate Ukrainian Borscht Day on the second Saturday of September, honoring Ukraine’s iconic beetroot soup and its rich culinary heritage …
September 13: Defy Superstition Day (United States)
Defy Superstition Day on September 13 encourages challenging old superstitions and embracing rational thinking in the United States …
September 13: Fortune Cookie Day (United States)
Celebrate Fortune Cookie Day on September 13 in the US by enjoying this fun tradition of cracking cookies and discovering your fortune inside …
September 13: Peanut Day (United States)
Celebrate National Peanut Day on September 13th in the US, honoring peanuts’ versatility, nutrition, and rich history in agriculture and cuisine …
September 13: Positive Thinking Day (United States)
Celebrate Positive Thinking Day on September 13 in the US by embracing optimism and positivity to improve mental well-being and happiness …
September 13: Uncle Sam Day (United States)
Uncle Sam Day on September 13 honors the iconic American symbol representing patriotism, liberty, and national pride inspired by Samuel Wilson …
Second Friday of September: Day of Divorce (Dag van de Scheiding)
The Day of Divorce in the Netherlands raises awareness about respectful and well-managed divorces, promoting communication and support for all involved …
September 13: Roald Dahl Day
Celebrate Roald Dahl Day on September 13th by exploring the magical stories and creativity of the beloved British author inspiring readers worldwide …
Second Week of September: Heritage Open Days (United Kingdom)
Heritage Open Days in England offer free access to historic sites, tours, and family activities celebrating the UK’s rich cultural and architectural heritage every September …
13 – 20 September: Roald Dahl Week (Netherlands / Belgium)
Roald Dahl Week in the Netherlands and Belgium celebrates the beloved author with events promoting reading, creativity, and storytelling from September 13 to 20 …
September 13: Programmers’ Day
Programmers’ Day is celebrated on the 256th day of the year, honoring programmers worldwide and their vital contributions to technology …
September 13: Sepsis Day
World Sepsis Day on September 13 raises awareness about sepsis, a life-threatening condition caused by infection, promoting early diagnosis and treatment …
September 13: Engineer’s Day (Mauritius)
Engineer’s Day in Mauritius on September 13 honors engineers and their contributions, featuring competitions and ceremonies to inspire future professionals …
September 13: Land Development Specialist’s Day (Tajikistan)
Celebrate Land Development Specialist’s Day in Tajikistan on September 13, honoring experts in land reclamation, irrigation, and soil improvement …
September 13: Día de los Niños Héroes (Boy Heroes Day) (Mexico)
Día de los Niños Héroes honors six teenage cadets who died defending Chapultepec Castle during the 1847 U.S. invasion of Mexico, celebrated every September 13 …
September 13: Battle of Pulang Lupa Day (Philippines)
Battle of Pulang Lupa Day on September 13 honors Filipino bravery in a key victory during the Philippine-American War in Marinduque …
September 13: Chocolate Day
Celebrate International Chocolate Day on September 13, honoring the delicious treat and its rich history tied to Milton S. Hershey and global chocolate production …
September 13: Celiac Disease Awareness Day (United States)
National Celiac Disease Awareness Day on September 13 raises awareness about celiac disease and the importance of a gluten-free diet in the US …
September 13: Cachaça Day (Brazil)
Celebrate National Cachaça Day on September 13 in Brazil, honoring the country’s iconic sugarcane spirit and its rich cultural history …
Second Sunday of September: Primary Biliary Cholangitis Awareness Day or PBC Day
International PBC Day, observed every second Sunday of September, raises awareness about primary biliary cholangitis, an autoimmune liver disease affecting mainly women …
Second Sunday in September: Workers of Natural Gas and Petroleum Industry Day (Ukraine)
Workers of Natural Gas and Petroleum Industry Day in Ukraine honors professionals every second Sunday of September, highlighting their vital role in energy and the …
Second Sunday in September: Road Workers Day (Tajikistan)
Road Workers Day in Tajikistan honors the vital role of road workers in maintaining transport infrastructure in a mountainous country every second Sunday of September …
Second Sunday in September: Sustainable House Day (Australia)
Sustainable House Day in Australia occurs every second Sunday of September, promoting energy efficiency and sustainable living through home tours and expert advice …
Second Sunday in September: Fjord Day (Denmark)
Fjord Day in Denmark is celebrated every second Sunday of September, honoring the beauty and ecological importance of fjords near Odense and Kerteminde …
Second Sunday in September: Father’s Day (Latvia)
Father’s Day in Latvia is celebrated every second Sunday of September, emphasizing the importance of fathers and featuring events organized by the government since 2008 …
Second Sunday in September: Turkmen Bakshy Day (Turkmenistan)
Turkmen Bakshy Day, celebrated the second Sunday in September, honors Central Asia’s folk performers who preserve Turkmenistan’s cultural heritage through music and spiritual roles …
Second Sunday in September: Education Sunday (United Kingdom)
Education Sunday in the UK is observed on the second Sunday of September, focusing on prayer and support for students and education workers …
Second Sunday in September: Remembrance Day for Victims of Fascism
Remembrance Day for Victims of Fascism is observed every second Sunday of September to honor those affected by fascism during World War II with ceremonies …
Second Sunday in September: Hug Your Hound Day (United States)
Celebrate Hug Your Hound Day every second Sunday of September by showing extra love to your dog with hugs, treats, and quality time together …
Second Sunday in September: Grandparents’ Day (Philippines)
Grandparents’ Day in the Philippines is celebrated every second Sunday of September, honoring grandparents’ vital role in families and society with special events and family …
Second Sunday in September: Grandparents’ Day (Canada)
Grandparents’ Day in Canada is celebrated on the second Sunday in September, honoring grandparents’ vital role in families and children’s upbringing …
Second Sunday in September: Grandparents’ Day (Estonia)
Grandparents’ Day in Estonia is celebrated every second Sunday of September to honor grandparents and strengthen family bonds with special events and gifts …
Second Sunday in September: Family Day (Kazakhstan)
Family Day in Kazakhstan is celebrated every second Sunday of September to promote family values and address important family-related issues …
September 14: Crab Fest Day
Celebrate International Crab Fest Day on September 14 by enjoying delicious crab dishes and promoting sustainable seafood practices worldwide …
September 14: Cream-Filled Donut Day (United States)
Celebrate National Cream-Filled Donut Day on September 14th by indulging in delicious cream-filled donuts with classic and adventurous flavors …
September 14: Farmer’s Wife Day (Netherlands)
Farmer’s Wife Day in the Netherlands honors the vital role of farmer’s wives in agriculture and rural life, celebrating their dedication and contributions …
Second Sunday of September: Pet Memorial Day (United States)
National Pet Memorial Day in the US honors the memory of beloved pets on the second Sunday of September, celebrating their love and companionship …
September Week 2: Sexual Health Week
Sexual Health Week in the UK raises awareness on contraception, STIs, and healthy relationships through education and open conversations each September …
Second Weekend of September: Heritage Days (Europe)
Heritage Days in Europe open historic sites to the public every second weekend of September, celebrating local culture and history with free access and events …
Mid-September: Eczema Week (United Kingdom)
National Eczema Week in the UK raises awareness about eczema, its impact, and promotes support and care for those affected each mid-September …
September 14: San Jacinto Day (Nicaragua)
San Jacinto Day in Nicaragua on September 14 honors the 1856 battle where national forces defeated filibusters, securing independence …
September 14: Exaltation of the Cross
The Exaltation of the Holy Cross is celebrated on September 14, honoring the discovery of the True Cross and the dedication of the Church of …
Sunday closest to September 14: Feast of the Exaltation of the Holy Cross (Armenia)
The Feast of the Exaltation of the Holy Cross in Armenia is celebrated on the Sunday closest to September 14, honoring the True Cross and …
September 14: Atopic Eczema Day
World Atopic Eczema Day on September 14 raises awareness about atopic eczema, supporting those affected and promoting understanding worldwide …
September 141: Tank Crewman’s Day (Russia)
Tank Crewman’s Day in Russia on September 14 honors tank crews’ vital role in defense and WWII, celebrated by military personnel and supporters …
September 14: Engineer’s Day (Romania)
Engineer’s Day in Romania, celebrated on September 14, honors engineers’ contributions to the country’s development with events and ceremonies …
September 14: Armored Troops Day (Ukraine)
Armored Troops Day in Ukraine honors tank crewmen’s bravery and key role in defending the country, celebrated annually on September 14 …
September 14: Hindi Day (India)
Hindi Day on September 14 celebrates the adoption of Hindi as India’s official language, highlighting its cultural and linguistic significance …
September 14: Cochabamba Day (Bolivia)
Cochabamba Day on September 14 celebrates the 1810 revolution in Bolivia, marking a key moment in the country’s fight for independence and honoring the city’s …
September 14: Virginia Day (United States)
Celebrate Virginia Day on September 14, honoring Virginia as the tenth state to join the U.S. and its rich historical significance …
September 14: Eat a Hoagie Day (United States)
Celebrate National Eat a Hoagie Day on September 14 by enjoying the iconic Philadelphia hoagie sandwich, a beloved American classic with rich cultural roots …
September 14: Children’s Day (Nepal)
Children’s Day in Nepal is celebrated on September 14 with events focused on children’s welfare, highlighting ongoing challenges faced by many kids …
September 14: Meskel (Ethiopia and Eritrea)
Meskel is a religious feast in Ethiopia and Eritrea celebrating the discovery of the True Cross with a bonfire ceremony and symbolic crosses on foreheads …
September 14: Elevation of the Holy Cross
The Elevation of the Holy Cross is celebrated on September 14, honoring the discovery and recovery of the True Cross by Saint Helena and Emperor …
September 15: Make a Hat Day (united States)
Celebrate Make a Hat Day on September 15 by crafting unique hats using various materials. Perfect for DIY lovers, fashion fans, and creative minds …
September 15: Day of Democracy
International Day of Democracy on September 15 highlights freedom, human rights, and citizen participation in governance worldwide …
September 15: Felt Hat Day (United States)
Celebrate Felt Hat Day on September 15 by honoring classic felt hats and their timeless style and craftsmanship in the United States …
September 15: Festival of the Walloon Region (Feest van het Waalse Gewest)
Celebrate the Festival of the Walloon Region on September 15th, honoring Wallonia’s culture, history, and traditions with parades, music, and local events …
Third Monday of September: Respect for the Aged Day (敬老の日, Keirō no Hi, Japan)
Respect for the Aged Day in Japan honors elderly contributions with family gatherings, community events, and cultural traditions every third Monday of September …
September 15 – October 15: Hispanic Heritage Month (United States)
Hispanic Heritage Month, from September 15 to October 15, honors the history, culture, and contributions of Hispanic and Latino Americans in the United States …
September 15: Independence Day (Costa Rica)
Celebrate Costa Rica’s Independence Day on September 15, honoring its 1821 freedom from Spain with parades and cultural events …
September 15: Independence Day (El Salvador)
Independence Day in El Salvador is celebrated on September 15, marking the 1821 declaration of independence from Spain and honoring national heritage …
September 15: Independence Day (Guatemala)
Guatemala’s Independence Day on September 15 celebrates freedom from Spanish rule in 1821 with patriotic events and historical significance …
September 15: Independence Day (Nicaragua)
Celebrate Nicaragua’s Independence Day on September 15, honoring its 1821 declaration from Spain and rich national heritage with vibrant festivities …
September 15: Independence Day (Honduras)
Celebrate Honduras Independence Day on September 15, marking freedom from Spain in 1821 with festive ceremonies and rich historical significance …
September 15: Feast of Our Lady of Sorrows (Slovakia)
Discover Slovakia’s Feast of Our Lady of Sorrows on September 15, honoring the Blessed Virgin Mary’s seven sorrows with masses and pilgrimages …
September 15: Munhumutapa Day (Zimbabwe)
Munhumutapa Day on September 15 honors Zimbabwe’s President Mnangagwa and the historic Mutapa Empire, celebrated annually across the country’s provinces …
September 15: Our Lady of Aparecida Day (Spain)
Celebrate Our Lady of Aparecida Day in Cantabria, Spain, on September 15 with religious ceremonies, processions, and festive community events …
September 15: Lymphoma Awareness Day
World Lymphoma Awareness Day on September 15 raises awareness about lymphoma, its symptoms, and support programs like Know Your Nodes and Beacons of Hope …
September 15: Dot Day
International Dot Day, celebrated every September 15, inspires creativity and self-expression in classrooms worldwide, based on Peter H. Reynolds’ book The Dot …
September 15: Afro Day
World Afro Day on September 15 celebrates natural Afro hair and promotes awareness of its cultural significance and challenges faced by people of African descent …
September 15: Myotonic Dystrophy Day
September 15 marks International Myotonic Dystrophy Day, raising awareness about this genetic muscle disorder and promoting support for research and treatment …
September 15: Hypothalamic Hamartoma Awareness Day
International Hypothalamic Hamartoma Awareness Day on September 15 raises awareness about this rare brain tumor, its symptoms, and treatment options …
September 15: Libraries Day (Belarus)
Libraries Day in Belarus on September 15 honors libraries and their workers, celebrating their cultural and educational importance …
September 15: Engineer’s Day (India)
Engineer’s Day in India on September 15 honors Sir Mokshagundam Visvesvaraya, celebrating his engineering achievements and contributions to national development …
September 15: Neonatal Nurses Day (United States)
Celebrate National Neonatal Nurses Day on September 15, honoring nurses who care for newborns in critical early weeks across the United States …
September 15: Greenpeace Day
Greenpeace Day on September 15 celebrates the founding of Greenpeace and promotes environmental activism worldwide with events and community involvement …
September 15: Knowledge Day (Azerbaijan)
Knowledge Day in Azerbaijan is celebrated on September 15, marking the start of the school year with special assemblies and a focus on educational development …
September 15: Silpa Bhirasri Day (Thailand)
Silpa Bhirasri Day on September 15 honors the father of modern Thai art, renowned sculptor Silpa Bhirasri, and his lasting impact on Thailand’s fine arts …
September 15: Battle of Britain Day (United Kingdom)
Battle of Britain Day on September 15 honors the Royal Air Force’s heroic defense during WWII, marking a key victory for the United Kingdom …
September 15: Cry of Dolores (Mexico)
The Cry of Dolores on September 15 marks the start of Mexico’s fight for independence, celebrated with patriotic ceremonies and national pride …
September 15: Restoration of Primorska to the Motherland Day (Slovenia)
September 15 marks Restoration of Primorska to the Motherland Day in Slovenia, commemorating the region’s return from Italian to Yugoslav control after WWII …
September 15: Crème de Menthe Day (United States)
Celebrate National Crème de Menthe Day on September 15 with mint-flavored liqueur cocktails like the Grasshopper and Stinger. Discover its history and varieties …
September 15: Double Cheeseburger Day (United States)
Celebrate National Double Cheeseburger Day on September 15 by enjoying juicy double cheeseburgers from fast food chains or homemade recipes with friends …
September 15: Cheese Toast Day (United States)
Celebrate National Cheese Toast Day on September 15 by enjoying the classic melted cheese on toast, a beloved dish with roots dating back centuries …
September 15: Linguine Day (United States)
Celebrate National Linguine Day on September 15 by enjoying this classic Italian pasta with your favorite sauces and sharing your dishes online …
September 15: Free Money Day
Free Money Day, observed every September 15, encourages sharing money with strangers to promote a culture of generosity and economic sharing worldwide …
Third Tuesday in September: Prince’s Day (Netherlands)
Prince’s Day in the Netherlands is celebrated every third Tuesday in September with a royal speech and the opening of the parliamentary year …
September 16: American Legion Day (United States)
American Legion Day on September 16 honors the founding of the American Legion and its dedication to veterans, their families, and communities …
September 16: Collect Rocks Day (United States)
Celebrate Collect Rocks Day on September 16 by exploring nature, collecting unique stones, and learning about geology and Earth sciences with family and friends …
September 16: Step Family Day (United States)
Step Family Day on September 16 honors blended families in the US, celebrating love, unity, and the unique bonds within stepfamilies …
September 16: Mayflower Day
Mayflower Day on September 16 honors the Pilgrims’ 1620 voyage from England to America, highlighting their quest for religious freedom and early settlement …
September 16: Mexican Independence Day
Mexican Independence Day on September 16 celebrates the start of Mexico’s fight for freedom from Spain with vibrant parades, reenactments, and national pride …
September 16: Play-Doh Day (United States)
Celebrate National Play-Doh Day on September 16th by exploring creativity and fun with this iconic modeling compound loved by kids and adults …
September 16: Working Parents Day
Working Parents Day on September 16 honors parents balancing careers and family life, recognizing their hard work and dedication worldwide …
September 16: Day for the Preservation of the Ozone Layer
Celebrate the International Day for the Preservation of the Ozone Layer on September 16, raising awareness about protecting Earth’s vital ozone shield …
September 16: Guacamole Day (United States)
Celebrate Guacamole Day on September 16 by enjoying the delicious Mexican dip made from fresh avocados and vibrant ingredients. Discover its history and fun ways …
September 16: Day of the Female Condom
September 16 is Day of the Female Condom, raising awareness about female condoms’ role in sexual health, STI prevention, and women’s empowerment …
Sepember 16: Barber Day
World Barber Day on September 16 honors barbers’ craft, community role, and charitable efforts worldwide, celebrating tradition and modern barbering …
Third Week of September: Rheumatoid Arthritis Awareness Week
Rheumatoid Arthritis Awareness Week in September raises awareness about RA symptoms, challenges, and treatments to support patients and educate the public …
Second week of September: Orchid Male Cancer Awareness Week (United Kingdom)
Orchid Male Cancer Awareness Week in the UK raises awareness of testicular, prostate, and penile cancers, promoting early detection and support …
September 16 – 23: Bisexual Awareness Week
Bisexual Awareness Week, observed annually before Bi Visibility Day, raises awareness about bisexuality, challenges stereotypes, and promotes inclusion and pride …
September 16: Independence Day (Papua New Guinea)
Celebrate Papua New Guinea’s Independence Day on September 16 with flag ceremonies, cultural performances, and community events honoring its 1975 independence …
September 16: Malaysia Day (Malaysia and Hari Malaysia)
Malaysia Day, or Hari Malaysia, is celebrated on September 16 to mark the formation of the Malaysian federation in 1963, highlighting national unity and history …
September 16: Heroes’ Day (Saint Kitts and Nevis)
National Heroes’ Day in Saint Kitts and Nevis honors Robert Llewellyn Bradshaw and other key figures who contributed to the nation’s independence and progress …
September 16: Martyrs’ Day (Libya)
Martyrs’ Day in Libya on September 16 honors those who died under Italian rule and during the Libyan Civil War, remembering their sacrifices and struggles …
September 16: Armed Forces Day (Malaysia)
Armed Forces Day in Malaysia on September 16 honors the Malaysian Armed Forces with ceremonies and parades, coinciding with Malaysia Day celebrations …
September 16: Owain Glyndŵr Day (United Kingdom)
Owain Glyndŵr Day is celebrated every September 16 in Wales to honor the last native Prince of Wales and national hero who led a historic …
September 16: Juliet’s Birthday (Italy)
Celebrate Juliet’s Birthday in Verona on September 16 with carnivals, performances, and love letters honoring Shakespeare’s iconic heroine …
September 16: Day for Interventional Cardiology
September 16 marks the International Day for Interventional Cardiology, celebrating advances in minimally invasive heart treatments that save lives and improve recovery …
September 16: Day of Science, Technology and Innovation for the South
Celebrate the International Day of Science, Technology and Innovation for the South on September 16, promoting development and equity in the Global South …
September 16: Lesbian Visibility Day (Paraguay)
September 16 marks Lesbian Visibility Day in Paraguay, honoring Feliciana Coronel’s 1993 protest for lesbian inmates’ rights and ongoing LGBTQ+ activism …
September 16: Stepfamily Day (United States)
National Stepfamily Day on September 16 honors the unique challenges and joys of blended families in the United States …
September 16: Microvillus Inclusion Disease Awareness Day
September 16 marks Microvillus Inclusion Disease Awareness Day, supporting families and promoting research for this rare genetic disorder affecting infants …
Third Wednesday in September: Human Resource Manager Day (Russia)
Human Resource Manager Day in Russia honors HR professionals for their vital role in hiring, training, and employee relations every third Wednesday of September …
Third Wednesday in September: Fitness Day
National Fitness Day in the UK is celebrated every third Wednesday of September with free classes and events promoting health and fitness for all ages …
September 16: Deceased Motorcyclists Remembrance Day (Ukraine)
Deceased Motorcyclists Remembrance Day in Ukraine honors bikers who died in accidents with vigils and rallies every September 18 …
September 16: Martyrs Day (Burkina Faso)
Martyrs Day in Burkina Faso honors victims of the 2015 coup and protests, commemorating those who lost their lives or were injured during political unrest …
September 17: Apple Dumpling Day (United States)
Celebrate National Apple Dumpling Day on September 17th with warm, spiced apple dumplings, a beloved fall dessert rich in tradition and flavor across the U.S …
September 17: Constitution Day (Citizenship Day United States)
Constitution Day, celebrated on September 17, honors the signing of the U.S. Constitution and promotes citizenship education across the United States …
September 17: Heroes Day (Angola)
National Heroes Day in Angola on September 17 honors independence heroes, especially Agostinho Neto, celebrating their sacrifice and national unity …
September 17: Day of Country Music
Celebrate the Day of Country Music on September 17 by honoring the rich history and heartfelt storytelling of this beloved American genre …
Third Thursday of September: Prinsjesdag (Netherlands)
Prinsjesdag is the Netherlands’ annual parliamentary opening on the third Tuesday of September, featuring the King’s Speech and national budget presentation …
September 17: Birthday of Crown Prince Tupoutoʻa ʻUlukalala (Tonga)
Celebrate Crown Prince Tupoutoʻa ʻUlukalala’s birthday on September 17, a public holiday in Tonga honoring the heir apparent and Tongan monarchy …
September 17: Unity Day (Belarus)
National Unity Day in Belarus on September 17 marks the Soviet invasion of Poland and reunification with Western Belarus, highlighting Belarusian statehood …
September 17: Feast Day of Saint Robert Bellarmine (Vatican City)
Celebrate the Feast Day of Saint Robert Bellarmine in Vatican City on September 17, honoring the cardinal and Doctor of the Church with religious observances …
September 17: Leigh Syndrome Awareness Day
Leigh Syndrome Awareness Day on September 17 raises awareness about this rare neurometabolic disorder affecting the central nervous system, with no current cure …
September 17: Rescuer’s Day (Ukraine)
Rescuer’s Day in Ukraine honors emergency service workers on September 17 with awards and celebrations recognizing their vital contributions …
September 17: Teachers’ Day (Honduras)
Teachers’ Day in Honduras on September 17 honors educators and celebrates Father José Trinidad Reyes y Sevilla’s legacy with student activities and appreciation …
September 17: Transportation Day (Indonesia)
National Transportation Day in Indonesia on September 17 celebrates collaboration and innovation in transport across the nation’s 17,000 islands …
September 17: Pet Bird Day (United States)
Celebrate National Pet Bird Day on September 17 by honoring the joy and companionship pet birds bring. Learn about responsible bird ownership and share your …
September 17: Huaso Day (Chile)
Celebrate Huaso Day in Chile on September 17, honoring traditional horsemen, farmers, and folk culture with music, dance, and festive costumes …
September 17: Red Cross Day (Indonesia)
Red Cross Day in Indonesia on September 17 honors the Indonesian Red Cross Society’s founding and its vital humanitarian work since 1945 …
September 17: Australian Citizenship Day (Australia)
Celebrate Australian Citizenship Day on September 17 by honoring the importance of citizenship with ceremonies and community events across Australia …
September 17: Operation Market Garden Anniversary (Netherlands)
September 17 marks the Operation Market Garden Anniversary in the Netherlands, commemorating the 1944 Allied airborne landings and battles during WWII …
September 17: Sybirak’s Day (Poland)
Sybirak’s Day on September 17 honors Poles deported to Siberia during Soviet invasion in 1939. Established in 1998, it remembers this tragic history …
September 17: Patient Safety Day (Ukraine)
Patient Safety Day in Ukraine on September 17 highlights the importance of preventing medical errors and improving healthcare quality …
September 17: Marathwada Liberation Day (India)
Marathwada Liberation Day on September 17 marks the 1948 annexation of Hyderabad into India, celebrated with ceremonies and cultural events in Maharashtra …
September 17: Melilla Day (Spain)
Melilla Day on September 17 marks the Spanish conquest of Melilla in 1497, celebrated with events but also facing local protests for independence …
September 17: Siquijor Day (Philippines)
Siquijor Day is celebrated every September 17 in the Philippines to honor the founding of Siquijor province, highlighting its unique culture and history …
September 17: Zamboanga del Sur Day (Philippines)
Celebrate Zamboanga del Sur Day on September 17, honoring the province’s creation and its rich cultural heritage with the Megayon Festival …
September 17: Monte Cristo Day (United States)
Celebrate National Monte Cristo Day on September 17 by enjoying the classic fried ham and cheese sandwich, a delicious American twist on the French croque …
September 17: Patient Safety Day
World Patient Safety Day on September 17 raises awareness about medical errors and promotes safer healthcare worldwide. Join global efforts to improve patient safety …
September 17: Adoption Day
Adoption Day in Ukraine, celebrated on September 17, honors adoptive and foster parents, highlighting the importance of family for every child …
September 17: Prematurity Day
World Prematurity Day, observed every November 17, raises awareness about preterm birth challenges and prevention, impacting millions globally …
Third Thursday in September: Pawpaw Day (United States)
Celebrate National Pawpaw Day every third Thursday of September honoring the unique American pawpaw fruit with events, recipes, and social media fun …
September 18: Cheeseburger Day (United States)
Celebrate National Cheeseburger Day on September 18th by enjoying America’s iconic cheeseburger, its history, and special deals at restaurants nationwide …
September 18: Bamboo Day
Celebrate World Bamboo Day on September 18, raising awareness of bamboo’s role in sustainability, eco-friendly industries, and global environmental benefits …
September 18: HIV/AIDS and Ageing Awareness Day (United States)
National HIV/AIDS and Aging Awareness Day on September 18 highlights challenges faced by older adults living with HIV and promotes awareness and care …
September 18: Fiestas Patrias ( Day Chile)
Celebrate Chile’s National Day on September 18, known as Fiestas Patrias, honoring independence with traditional foods, dances, and cultural pride …
September 18: Equal Pay Day
International Equal Pay Day on September 18 raises awareness about global wage gaps between men and women and promotes fair pay for equal work …
Third Thursday of September: Day of the Caregiver (Dag van de Leidster en Gastouder Netherlands)
Celebrate the Day of the Caregiver in the Netherlands, honoring childcare leaders and home caregivers for their vital role in child development and care …
Third Friday of September: POW/MIA Recognition Day (United States)
National POW/MIA Recognition Day honors U.S. prisoners of war and those missing in action, observed on the third Friday of September with ceremonies nationwide …
September 18: Independence Day (Chile)
Celebrate Chile’s Independence Day on September 18, marking the First Government Junta of 1810 with parades, dancing, and national pride …
September 18: Water Monitoring Day
World Water Monitoring Day on September 18 raises awareness about water pollution through global water quality testing activities …
September 18: Read an eBook Day
Celebrate International Read an eBook Day on September 18 by exploring the convenience and accessibility of digital reading with your favorite eBooks …
September 18: Pitt-Hopkins Syndrome Awareness Day
September 18 marks Pitt-Hopkins Syndrome Awareness Day, raising global awareness about this rare neurodevelopmental disorder and supporting affected families …
September 18: Astronomy Day (Armenia)
Astronomy Day in Armenia on September 18 honors Victor Ambartsumian, a pioneer of astrophysics, with events celebrating his scientific legacy and astronomy …
September 18: Croatian Navy Day (Croatia)
Croatian Navy Day on September 18 honors the historic naval victory of 887 and the modern navy’s role in Croatia’s independence with ceremonies and displays …
September 18: U.S. Air Force Birthday (United States)
Celebrate the U.S. Air Force Birthday on September 18, honoring its establishment as a separate military branch and its vital missions worldwide …
September 18: Music Day (Azerbaijan)
Celebrate National Music Day in Azerbaijan on September 18, honoring Uzeyir Hajibeyov, the father of Azerbaijani music and composer of the national anthem …
September 18: Persian Literature and Poetry Day (Iran)
Celebrate Persian Literature and Poetry Day on September 18, honoring poet Mohammad-Hossein Shahriar and the rich 2,500-year history of Persian poetry …
September 18: Island Languages Day (Japan)
Island Languages Day on September 18 celebrates the endangered Ryukyuan languages of Japan’s Ryukyu Islands and promotes their preservation …
September 18: Tacurong City Charter Day (Philippines)
Celebrate Tacurong City Charter Day on September 18 with a week of cultural events, parades, and festivities honoring the city’s rich heritage in Sultan Kudarat …
September 18: Read an eBook Day
Celebrate Read an eBook Day on September 18 with engaging Dutch content. Discover the joy of digital reading and explore new eBooks today …
Third Friday in September: Grenache Day
Celebrate International Grenache Day every third Friday of September by enjoying Grenache wine and sharing your experience with #GrenacheDay …
Third Friday in September: Concussion Awareness Day (United States)
National Concussion Awareness Day, observed every third Friday in September, raises awareness about concussion symptoms and promotes education across the U.S …
September 19: Talk Like a Pirate Day
Celebrate Talk Like a Pirate Day on September 19 by speaking pirate lingo, dressing up, and joining fun pirate-themed events worldwide …
September 19: Butterscotch Pudding Day (United States)
Celebrate National Butterscotch Pudding Day on September 19 with this creamy, sweet dessert loved for its rich, caramel-like flavor and smooth texture …
September 19: Day of the Dietitian
Celebrate Day of the Dietitian on September 19 in the Netherlands, honoring dietitians’ role in promoting health through nutrition and dietary guidance …
Last Week of September: Great British Beach Clean (United Kingdom)
Join the Great British Beach Clean in September to help protect UK coastlines by removing litter and supporting marine conservation efforts …
September 19: Army Day (Chile)
Army Day in Chile, celebrated on September 19, honors the first military parade of 1810 with a grand parade in Santiago and nationwide festivities …
September 19: Independence Day (Saint Kitts and Nevis)
Celebrate Saint Kitts and Nevis Independence Day on September 19, marking freedom from the UK in 1983 with national events honoring island history …
September 19: Constitution Day (Nepal)
Constitution Day in Nepal on September 19 celebrates the 2015 Constitution, marking the shift from monarchy to federal republic with significant political changes …
September 19: Aortic Dissection Awareness Day
September 19 marks Aortic Dissection Awareness Day, raising awareness about early diagnosis and symptoms of this rare, life-threatening condition …
September 19: Arms Designer Day (Russia)
Arms Designer Day in Russia honors the creators of the nation’s weapons every September 19, celebrating their vital role in defense and innovation …
September 19: Civil Aviation Day (Moldova)
Celebrate Civil Aviation Day in Moldova on September 19, honoring the country’s aviation history and employees with ceremonies and air shows …
September 19: Thai Museum Day
Celebrate Thai Museum Day on September 19, honoring the Bangkok National Museum’s rich history and free events across Thailand’s national museums …
September 19: Day of the First Public Appearance of the Slovak National Council (Slovakia)
September 19 marks the Day of the First Public Appearance of the Slovak National Council, commemorating the 1848 declaration of Slovak independence …
September 19: Smiley Face Emoticon’s Birthday
Celebrate the Smiley Face Emoticon’s Birthday on September 19, honoring the iconic 🙂 created by Scott Fahlman in 1982 that changed online communication …
Third Saturday in September: Day of Inventors and Innovators (Ukraine)
The Day of Inventors and Innovators in Ukraine is celebrated on the third Saturday in September to honor the country’s notable inventors and scientists …
Third Saturday in September: Software Freedom Day
Celebrate Software Freedom Day on the third Saturday in September, promoting free software, open hardware, and access to knowledge worldwide …
Third Saturday in September: Marrow Donor Day
World Marrow Donor Day, observed every third Saturday in September, honors stem cell donors and raises awareness about bone marrow transplants that save lives …
Third Saturday in September: Usher Syndrome Awareness Day
Usher Syndrome Awareness Day occurs every third Saturday in September to raise awareness about this rare genetic disorder causing combined blindness and deafness …
Third Saturday of September: Pharmaceutical Worker’s Day (Ukraine)
Pharmaceutical Worker’s Day in Ukraine honors the dedication of over 350,000 professionals advancing the nation’s health care through medicine production and research …
Third Saturday in September: Puppy Mill Awareness Day (United States)
National Puppy Mill Awareness Day raises awareness about the cruel conditions in puppy mills and encourages support for animal welfare every third Saturday of September …
Third Saturday in September: Von Steuben Day (United States)
Von Steuben Day is celebrated on the third Saturday in September, honoring Baron von Steuben with parades and Oktoberfest events, especially in New York City …
Third Saturday in September: Responsible Dog Ownership Day
Celebrate Responsible Dog Ownership Day on the third Saturday of September by learning about dog care, health, and training through AKC events and programs …
September 20: Pepperoni Pizza Day (United States)
Celebrate National Pepperoni Pizza Day on September 20th by enjoying the classic, savory topping loved across the United States. Indulge in your favorite slice today …
September 20: Punch Day (United States)
Celebrate National Punch Day on September 20 in the US by enjoying this versatile, fruity drink perfect for parties and gatherings …
September 20: Samvidhan Diwas (Constitution Day Nepal)
Celebrate Nepal’s Constitution Day on September 20, marking the adoption of the 2015 constitution that established a federal democratic republic …
Third Weekend of September: Cleanup Day
World Cleanup Day is a global event every third weekend of September where millions unite to clean local communities and promote environmental responsibility …
Third Saturday of September: Dance Day (United States)
National Dance Day in the US is celebrated on the third Saturday of September to promote dance as a fun, healthy, and creative activity for …
Third Saturday of September: Red Panda Day
International Red Panda Day is celebrated on the third Saturday of September to raise awareness and support conservation efforts for the endangered red panda species …
Third Saturday of September: Eat an Apple Day
Celebrate Eat an Apple Day on the third Saturday of September by enjoying apples and learning about their health benefits and cultural significance …
September 20: Dessalines Day (Haiti)
Dessalines Day in Haiti honors Jean-Jacques Dessalines, leader of the Haitian Revolution and first ruler of independent Haiti, celebrated every September 20 …
September 20: Day of University Sport
Celebrate the International Day of University Sport on September 20, honoring the role of university sports in promoting teamwork, health, and active lifestyles …
September 20: Raspberry Day
Raspberry Day on September 20 raises awareness about cavernomas, benign brain and spine blood vessel malformations. Join events and support research efforts …
September 20: Customs Officer’s Day (Belarus)
Customs Officer’s Day in Belarus on September 20 honors the vital role of customs officers and their contribution to the nation’s economic growth since 1991 …
September 20: Oil Industry Workers’ Day (Azerbaijan)
Oil Industry Workers’ Day in Azerbaijan is celebrated every September 20 to honor workers and the historic 1994 oil agreement boosting the nation’s economy …
September 20: Entrepreneur’s Day (Kyrgyzstan)
Entrepreneur’s Day in Kyrgyzstan on September 20 honors entrepreneurs’ vital role in economic growth and job creation since 2001 …
September 20: Canal Conservation Day (Thailand)
Celebrate Thailand’s National Canal Conservation Day on September 20, honoring historic canals and promoting efforts to reduce pollution and preserve cultural heritage …
September 20: Sree Narayana Guru Memorial Day (India)
Sree Narayana Guru Memorial Day on September 20 honors the social reformer who fought caste discrimination and promoted equality in Kerala, India …
September 20: Queso Day (United States)
Celebrate National Queso Day on September 20 by enjoying the creamy Tex-Mex dip made from melted cheese and chili peppers, perfect with chips or tacos …
September 20: Fried Rice Day (United States)
Celebrate National Fried Rice Day on September 20 by enjoying this beloved dish from various Asian cuisines, whether dining out or cooking at home …
September 20: String Cheese Day (United States)
Celebrate National String Cheese Day on September 20 by enjoying this popular, nutritious snack and sharing recipes and experiences with others …
September 20: Youth Day
National Youth Day in Thailand on September 20 honors Kings Chulalongkorn and Ananda Mahidol, inspiring youth to contribute to national progress …
September 20: Universal Children’s Day (Germany)
Universal Children’s Day in Germany on September 20 promotes children’s rights and unites traditions from East and West Germany after reunification …
September 20: Freedom of Speech Day (Venezuela, Peru en Uruguay)
Freedom of Speech Day on September 20 honors free expression in Venezuela, Peru, and Uruguay, celebrating fundamental democratic rights …
Third Sunday in September: Peñafrancia Festival (Philippines)
Celebrate the Peñafrancia Festival in Naga, Philippines, honoring Our Lady of Peñafrancia with masses, processions, and vibrant parades every September …
Third Sunday of September: Forestry and Timber Industry Worker’s Day (Belarus, Kyrgyzstan, Russia and Ukraine)
Forestry and Timber Industry Worker’s Day is celebrated on the third Sunday of September, honoring workers and the importance of sustainable forest management …
Third Sunday in September: Mother’s Day (Kazakhstan)
Mother’s Day in Kazakhstan is celebrated every third Sunday of September to honor mothers and their role in preserving family traditions and values …
September 21: Day of Peace
Celebrate the International Day of Peace on September 21 by promoting non-violence, unity, and global harmony through events and reflection …
September 21: Miniature Golf Day
Celebrate Miniature Golf Day on September 21 by enjoying fun, creative mini-golf courses with friends and family. Perfect for all ages and skill levels …
September 21: Gratitude Day
Celebrate World Gratitude Day on September 21 by reflecting on thankfulness and appreciating life’s positive moments for better mental well-being …
September 21: Independence Day (Belize)
Belize celebrates Independence Day on September 21st, marking its peaceful transition to sovereignty in 1981 with parades, cultural events, and national pride …
September 21: Independence Day (Armenia)
Independence Day in Armenia on September 21 celebrates the 1991 referendum that led to Armenia’s sovereignty after Soviet rule with parades and cultural events …
September 21: Alzheimer’s Day
World Alzheimer’s Day on September 21 raises awareness about Alzheimer’s disease, promotes early diagnosis, and supports those affected worldwide …
September 21-24: First Day of Autumn or Autumnal Equinox
Discover the First Day of Autumn, also known as the Autumnal Equinox, marking the start of fall with equal day and night between September 21-24 …
September 21: Light Up For Mito
Light Up For Mito is a global event in September raising awareness for mitochondrial diseases by illuminating landmarks in green to support research and families …
Mid-September: Miondrial Disease Awareness Week
Mid-September marks Miondrial Disease Awareness Week, a global event raising awareness, supporting patients, and promoting research for mitochondrial diseases …
Third Sunday of September: Women’s Friendship Day
Celebrate National Women’s Friendship Day on the third Sunday of September by honoring the special bonds and lifelong friendships among women …
Third Sunday of September: Wife Appreciation Day (United States)
Wife Appreciation Day in the US is celebrated on the third Sunday of September to honor and appreciate wives for their love and support …
September Week 3 / 4: Week tegen pesten (Anti-Bullying Week Netherlands)
Anti-Bullying Week in the Netherlands raises awareness about bullying, promoting kindness, inclusion, and strategies to create safer schools and communities …
September Week 3: Indoor Plant Week (United States)
Celebrate National Indoor Plant Week in the US during September’s third week by exploring the benefits of indoor plants for health and environment …
Third Monday in September: Respect for the Aged Day (Japan)
Respect for the Aged Day in Japan honors elderly citizens every third Monday in September with gifts and special recognition for centenarians …
September 21: Juice Day (Russia)
Juice Day in Russia is celebrated on the third Saturday of September to promote healthy fruit and vegetable juices. It began in 2013 with events …
September 21: Independence Day (Armenia)
Armenia celebrates Independence Day on September 21, marking its 1991 declaration of independence from the Soviet Union with national pride and events …
September 21: Independence Day (Belize)
Celebrate Belize’s Independence Day on September 21, marking freedom from British rule in 1981 with parades, carnival, and month-long festivities …
September 21: Kwame Nkrumah Memorial Day (Ghana)
September 21 marks Kwame Nkrumah Memorial Day in Ghana, honoring the first president’s role in the nation’s independence and legacy …
September 21: Independence Day (Malta)
Malta celebrates Independence Day on September 21, marking its 1964 freedom from British rule with parades and national pride …
September 21: Nativity of the Theotokos
The Nativity of the Theotokos, celebrated on September 21, honors the birth of Mary to Joachim and Anna, marking an important Eastern Christian feast …
September 21: Zero Emissions Day
Zero Emissions Day on September 21 encourages reducing gas emissions worldwide to protect the planet. Started in 2008, it promotes a global environmental effort …
September 21: Alzheimer’s Day
World Alzheimer’s Day on September 21 raises awareness about Alzheimer’s disease and supports those affected by dementia worldwide …
September 21: Minigolf Day
Celebrate World Minigolf Day on September 21 by enjoying the fun and history of miniature golf, a game rooted in Scotland and popular worldwide …
September 21: Myositis Day
World Myositis Day on September 21 raises awareness about myositis, a rare muscle inflammation condition with various subtypes and challenging diagnosis …
September 21: Social Workers’ Day (Moldova)
Celebrate Social Workers’ Day in Moldova on September 21, honoring dedicated professionals supporting vulnerable groups and shaping social welfare …
September 21: Cebu Press Freedom Day (Philippines)
Cebu Press Freedom Day on September 21 honors press freedom in the Philippines, marking the fight against media censorship since martial law in 1972 …
September 21: Fisheries Day (Thailand)
National Fisheries Day in Thailand on September 21 celebrates the founding of the Department of Fisheries and highlights the fishing industry’s importance and challenges …
September 21: Arbor Day (Brazil)
Arbor Day in Brazil is celebrated on September 21 and also in late March in some regions, reflecting the country’s diverse climate and ecological needs …
September 21: Battle of Kulikovo Day (Russia)
Battle of Kulikovo Day on September 21 commemorates the 1380 victory of Russian forces over the Golden Horde, marking a key moment in Russian history …
September 21: Commemoration of the Declaration of Martial Law (Philippines)
September 21 marks the Commemoration of the Declaration of Martial Law in the Philippines, remembering the impact and history of this significant event …
September 21: New York Day (United States)
Celebrate National New York Day on September 21, honoring New York’s rich history and its role as the 11th state to join the U.S. Union …
September 21: Pecan Cookie Day (United States)
Celebrate National Pecan Cookie Day on September 21 by baking and sharing delicious pecan cookies with loved ones. Enjoy this tasty homemade treat safely …
September 21: Spring Day (Argentina, Uruguay and Bolivia)
Spring Day on September 21 celebrates the start of spring in Argentina, Uruguay, and Bolivia with outdoor activities and cultural traditions …
September 21: Chai Day (United States)
Celebrate National Chai Day on September 21 by enjoying masala chai, the spiced Indian tea loved worldwide. Share your chai moments with #NationalChaiDay …
September 21: Day of Peace
International Day of Peace is observed on September 21 to promote global peace and ceasefires, marked by the UN Peace Bell ringing annually …
September 21: Volunteer Day (Ghana)
National Volunteer Day in Ghana on September 21 promotes community service through events like blood drives and tree planting, organized by GhanaThink Foundation …
Pchum Ben Festival (Cambodia)
Pchum Ben Festival in Cambodia is a 15-day celebration honoring ancestors with food offerings and temple visits, marking an important cultural tradition …
September 22: Business Women’s Day (United States)
Business Women’s Day on September 22 honors the achievements and leadership of women in the U.S. business world, promoting gender equality and empowerment …
September 22: Elephant Appreciation Day
Celebrate Elephant Appreciation Day on September 22 by learning about elephant conservation, their importance, and how to protect these majestic creatures worldwide …
September 22: Hobbit Day
Celebrate Hobbit Day on September 22, honoring Bilbo and Frodo Baggins with readings, parties, and themed feasts inspired by Tolkien’s beloved works …
September 22: Rhino Day
World Rhino Day on September 22 raises awareness about rhino conservation, highlighting threats like poaching and habitat loss to protect these endangered species …
September 22: White Chocolate Day
Celebrate White Chocolate Day on September 22 by indulging in creamy, sweet white chocolate treats and exploring its unique flavors and history …
September / October: Sharada Navaratri
Sharada Navaratri is a vibrant Hindu festival celebrating Goddess Durga over nine nights with prayer, dance, and cultural rituals in September and October …
September 22: Independence Day (Bulgaria)
Independence Day in Bulgaria on September 22 celebrates the 1908 proclamation of independence from the Ottoman Empire with parades, speeches, and ceremonies …
September 22: Independence Day (Mali)
Independence Day in Mali on September 22 celebrates the nation’s freedom from France in 1960 with nationwide festivities and cultural events …
September 22: Car Free Day
Celebrate World Car Free Day on September 22 by choosing public transport, cycling, or walking to reduce car use and promote cleaner cities …
September 22: Chronic Myeloid Leukemia Day
September 22 marks Chronic Myeloid Leukemia Day, raising awareness about CML, its challenges, and the importance of finding a cure for this blood cancer …
September 22: Narcolepsy Day
World Narcolepsy Day on September 22 raises awareness about narcolepsy, a neurological disorder causing excessive sleepiness and cataplexy, promoting support and education …
September 22: Teachers’ Day (Uruguay)
Teachers’ Day in Uruguay is celebrated on September 22 with festivals, gifts, and activities honoring educators. Students organize events and sports competitions …
September 22: Arbor Day (Barbados)
Arbor Day in Barbados is celebrated every September 22 to honor trees and raise ecological awareness, commemorating Hurricane Janet’s impact in 1955 …
September 22: Rudaki Day (Tajikistan)
Rudaki Day on September 22 honors Tajikistan’s legendary poet Rudaki, celebrating his lasting impact on Persian and Tajik literature with events and ceremonies …
September 22: Day of Partisan Glory (Ukraine)
September 22 marks the Day of Partisan Glory in Ukraine, honoring WWII resistance heroes and their vital role in defeating Nazi Germany …
September 22: Day of the Baltic Unity (Latvia and Lithuania)
The Day of the Baltic Unity on September 22 celebrates the historic victory of Baltic tribes and fosters unity between Latvia and Lithuania …
September 22: Resistance Fighting Day In Estonia (Estonia)
Resistance Fighting Day in Estonia on September 22 honors Otto Tief’s 1944 effort to restore independence with ceremonies and parades nationwide …
September 22: OneWebDay
OneWebDay, celebrated every September 22, honors the World Wide Web and promotes Internet accessibility worldwide with global events and volunteer efforts …
September 22: Ice Cream Cone Day (United States)
Celebrate National Ice Cream Cone Day on September 22 by enjoying your favorite ice cream cones and sharing the fun with friends and social media …
September 22-23: autumnal equinox (Japan)
Celebrate Japan’s Autumn Equinox on Sept. 22-23 with traditional shrine visits, harvest gratitude, and honoring ancestors in local festivals …
Fourth Monday of December : South Canterbury Anniversary Day (New Zealand)
South Canterbury Anniversary Day in New Zealand honors the arrival of early European settlers and celebrates the region’s unique heritage every fourth Monday of September …
September 22 – October 22: Seed Gathering Season (United Kingdom)
Celebrate Seed Gathering Season in the UK from September 22 to October 22 by collecting local seeds, joining workshops, and connecting with nature …
September 23: Checkers Day (United States)
Checkers Day on September 23 commemorates Nixon’s 1952 speech defending his political career, symbolized by his dog Checkers, highlighting political communication …
September 23-29: Coding Week
Join us September 23-29 for Coding Week, promoting digital literacy with engaging coding activities and workshops for all skill levels …
September 23-29: Organ Donation Week
Join us during Organ Donation Week, September 23-29, to learn about the vital importance of organ donation and how you can save lives by becoming …
September 23: Grito de Lares (Puerto Rico)
Grito de Lares is a key 1868 Puerto Rican uprising against Spanish rule, symbolizing the island’s fight for independence and national identity …
September 23: Day of Bisexuality
Celebrate the Day of Bisexuality on September 23, raising awareness, promoting pride, and combating bi-erasure globally …
Fourth Tuesday of September: Koffiedag (Coffee Day Netherlands)
Celebrate Nationale Koffiedag in the Netherlands on the fourth Tuesday of September, a day dedicated to coffee, connection, and community …
September / October: Cycle to School Week (United Kingdom)
Cycle to School Week in the UK promotes healthier, eco-friendly travel for students with fun events, safety tips, and community support each September or October …
September Last Week: Reflexology Week
World Reflexology Week is celebrated in the last week of September to raise awareness about reflexology’s health benefits through workshops and treatments …
September Last Full Week: Eye Health Week (United Kingdom)
National Eye Health Week in the UK raises awareness about eye care, promoting regular exams and healthy habits to protect vision during September’s last full …
September 23: Blessed Rainy Day (Bhutan)
Blessed Rainy Day in Bhutan is a sacred holiday on September 23, marking the end of the rainy season with purification rituals and family gatherings …
September 23: National Day (Saudi Arabia)
National Day in Saudi Arabia on September 23 celebrates the kingdom’s unification and rich history with cultural events and national pride …
Rosh Hashanah (Israel)
Rosh Hashanah is the Jewish New Year celebrated with symbolic foods, shofar blowing, and the tashlikh ritual to mark a sweet and meaningful new year …
September 23: Restless Legs Syndrome Awareness Day
September 23 marks Restless Legs Syndrome Awareness Day, raising understanding of RLS, its symptoms, and management options to improve affected lives …
September 23: BBS Global Day
BBS Global Day on September 23 raises awareness about Bardet-Biedl syndrome, a rare genetic disorder affecting multiple organs and supported by global organizations …
September 23: Teachers’ Day (Brunei)
Teachers’ Day in Brunei on September 23 honors educators and Sultan Omar Ali Saifuddien III’s educational reforms that expanded access to schooling …
September 23: Maritime Day (Indonesia)
Indonesia observes National Maritime Day on September 23, highlighting its vital maritime sector and addressing challenges like illegal fishing and logistics costs …
September 23: Kyrgyz Language Day (Kyrgyzstan)
Kyrgyz Language Day on September 23 celebrates the official recognition of the Kyrgyz language and promotes cultural heritage in Kyrgyzstan …
September 23: Day of Women’s Political Rights (Argentina)
September 23 marks Argentina’s National Day of Women’s Political Rights, celebrating the 1947 law granting women the right to vote and political equality …
September 23: Day of School Failure Prevention (France)
September 23 marks France’s Day of School Failure Prevention, raising awareness about student dropouts and promoting better education systems …
September 23: Chuuk Liberation Day (Micronesia)
Chuuk Liberation Day on September 23 marks the end of Japanese occupation in Chuuk, Micronesia, with schools and offices closed for this public holiday …
September 23: Martyrs Day (India)
Martyrs Day in Haryana, observed on September 23, honors freedom fighters including Rao Tularam Singh who sacrificed their lives for India’s independence …
September 23: Great American Pot Pie Day (United States)
Celebrate Great American Pot Pie Day on September 23 by enjoying this classic comfort food, whether homemade or store-bought. Discover a simple chicken pot pie …
September 23: Za’atar Day
Celebrate Za’atar Day on September 23 by exploring the rich flavors and traditions of this iconic Middle Eastern herb and spice blend …
September 23: Day of Sign Languages
Celebrate International Day of Sign Languages on September 23, honoring the rights and recognition of over 70 million deaf individuals worldwide …
September 23: AFM Day (United States)
National AFM Day on September 23 raises awareness about acute flaccid myelitis, a rare neurological condition affecting children and causing limb weakness …
September 24: Cherries Jubilee Day
Celebrate National Cherries Jubilee Day on September 24 by enjoying the classic flambéed cherry dessert served over vanilla ice cream, a timeless French treat …
September 24: Punctuation Day
Celebrate National Punctuation Day on September 24 by learning the importance of proper punctuation and improving your writing skills with fun activities and tips …
September 24: Heritage Day (South Africa)
Heritage Day in South Africa, celebrated on September 24, honors the nation’s rich cultural diversity and traditions, promoting unity and pride among all communities …
September 24: National Day (Guinea-Bissau)
National Day in Guinea-Bissau is celebrated on September 24th, marking independence from Portugal in 1973 and honoring freedom fighters and national unity …
September 24: Dag van de Thuiszorg (Day of Home Care Netherlands)
Dag van de Thuiszorg on September 24 honors Dutch home care workers for their vital role in supporting elderly and disabled individuals at home …
September 24: Constitution Day (Cambodia)
Constitution Day in Cambodia on September 24 honors King Norodom Sihanouk’s re-coronation and the 1993 adoption of the Cambodian Constitution …
September 24: Our Lady of Mercy Day (Dominican Republic)
Our Lady of Mercy Day on September 24 honors Mary as the patron saint in the Dominican Republic with celebrations, masses, and cultural events …
September 24: National Day (Guinea-Bissau)
National Day in Guinea-Bissau on September 24 celebrates independence from Portuguese rule with cultural events and patriotic gatherings …
September 24: New Caledonia Day (New Caledonia)
New Caledonia Day on September 24 marks the 1853 French colonization, observed with reflection on its complex history and indigenous perspectives …
September 24: Republic Day (Trinidad and Tobago)
Republic Day in Trinidad and Tobago on September 24 marks the country’s transition to a republic with celebrations including speeches, parades, and dances …
The Day the Maldives Embraced Islam (Maldives)
The Day the Maldives Embraced Islam marks the historic conversion of the last Buddhist king to Islam, shaping the nation’s religious identity today …
September 24: Cancer Research Day
World Cancer Research Day on September 24 promotes cancer research to improve survival and reduce incidence worldwide through events and awareness …
September 24: Day Against Software Patents
September 24 marks the World Day Against Software Patents, promoting innovation by opposing restrictive software patent laws worldwide …
September 24: FH Awareness Day
FH Awareness Day on September 24 raises awareness about familial hypercholesterolemia, a genetic disorder causing high cholesterol and early heart disease risk …
September 24: aHUS Awareness Day
September 24 marks aHUS Awareness Day, dedicated to educating the public about atypical Hemolytic Uremic Syndrome and supporting those affected worldwide …
September 24: Armed Forces Day (Peru)
Armed Forces Day in Peru on September 24 honors the Army, Navy, and Air Force for protecting the nation’s sovereignty and contributing to development …
September 24: Farmers’ Day (Indonesia)
National Farmers’ Day in Indonesia on September 24 honors the Agrarian Basics Act of 1960 and the vital role of agriculture in the economy and …
September 24: Tree Day (Canada)
National Tree Day in Canada, observed on September 24, promotes tree planting and environmental awareness during National Forest Week …
September 24: Mahidol Day (Thailand)
Mahidol Day on September 24 honors Prince Mahidol Adulyadej, the father of modern medicine in Thailand, recognizing his impact on healthcare and public health …
September 24: Santa Cruz Day (Bolivia)
Celebrate Santa Cruz Day on September 24th in Bolivia, honoring the city’s founding with parades, cultural events, and community festivities …
September 24: José Yulo Day (Philippines)
José Yulo Day on September 24 honors the legacy of José Yulo, a key Philippine lawyer and politician known for his judicial and political contributions …
September 24: Mofongo Day (United States)
Celebrate National Mofongo Day on September 24 by enjoying the traditional Puerto Rican dish made from mashed plantains and pork rinds. Learn about its rich …
September 24: Horchata Day (United States)
Celebrate National Horchata Day on September 24 by enjoying this traditional Latin American drink made from rice, milk, vanilla, and cinnamon …
Fourth Thursday in September: Horizontal Directional Drilling Day
Celebrate World Horizontal Directional Drilling Day every fourth Thursday of September, honoring the innovative trenchless technology that revolutionizes underground utility installation …
September 24: AFL Grand Final Parade (Australia)
The AFL Grand Final Parade in Victoria celebrates Australian football with players parading through Melbourne before the big match. A beloved tradition since 1977 …
September 25: Comic Book Day (United States)
Celebrate National Comic Book Day on September 25th by exploring the rich art, stories, and culture of comic books that inspire fans and creators alike …
September 25: Quesadilla Day (United States)
Celebrate National Quesadilla Day on September 25th by enjoying this cheesy Mexican favorite with family, friends, and creative recipes …
September 25: Ataxia Awareness Day (IAAD)
International Ataxia Awareness Day on September 25 raises awareness about ataxia, a neurological disorder affecting coordination and movement skills …
September 25: Dag van de Vitaliteit (Day of Vitality Netherlands)
Dag van de Vitaliteit is a Dutch annual event promoting health, well-being, and vitality in personal and professional life through awareness and activities …
A year-round Content Calendar
that highlights specific days, weeks, and months to raise awareness for social issues
