December 21

Armed Forces Day commemorates the establishment of the Armed Forces of the Philippines by President Manuel L. Quezon on December 21, 1935. It is a day dedicated to recognizing the dedication, courage, and sacrifice of Filipino military personnel across land, sea, and air branches. Festivities often include military parades, wreath-laying ceremonies at the Libingan ng mga Bayani in Taguig, and exhibitions of military equipment. Schools, local governments, and civic groups participate in events to foster public support and national pride. The day also serves as a reminder of the military's role in securing the nation and promoting peace.

São Tomé Day celebrates the day Portuguese navigator João de Santarém and shipmaster Pêro Escobar first sighted the island of São Tomé on December 21, 1471. Recognized as a public holiday across São Tomé and Príncipe, the day features flag-raising ceremonies, cultural performances, and official speeches by government leaders. Traditional music, dance, and gastronomic fairs showcase the nation's rich multicultural heritage. Schools and community groups hold exhibitions on the island's colonial history and its path to independence. The holiday reinforces national identity and pays tribute to the resilience of its people.