Apolinario Mabini Day is observed in Tanuan, Philippines, every July 23 to commemorate the birth anniversary of Apolinario Mabini, a key figure in the Philippine Revolution and the first Prime Minister of the Philippines. Born in Tanuan in 1864, Mabini overcame poverty to pursue education and later became involved in revolutionary activities, joining La Liga Filipina and serving as an advisor to Emilio Aguinaldo. Despite contracting polio, which left him paraplegic, he contributed significantly to the revolutionary cause by drafting important documents, including the Political Constitution of 1899. The day serves as a special working holiday, allowing the community to honor Mabini's legacy and contributions to the nation. His life and work continue to inspire discussions about patriotism and social justice in the Philippines.