• Thailand National Day 2026

    Thailand , Thailand

    Thailand's National Day is on Saturday 5 December 2026. The date also marks the birthday anniversary of the late King Bhumibol Adulyadej and Father's Day in Thailand. The Bank of Thailand lists Monday 7 December as the substitute financial-institution holiday.

  • Tree Dressing Day 2026

    United Kingdom , United Kingdom

    Tree Dressing Day 2026 runs from Saturday 5 December 2026 to Sunday 6 December 2026. Tree Dressing Day is an annual celebration that honors trees and the vital role they...

  • Finland Independence Day

    International

    Finland Independence Day is on Sunday 6 December 2026.Finland declared independence on 6 December 1917.Country or nation: Finland.DatesYearDate2026Sunday 6 December 20262027Monday 6 December 20272028Wednesday 6 December 2028Official sourcesum.fiprotocol.dfat.gov.auExplore national days...

  • International Civil Aviation Day 2026

    International

    International Civil Aviation Day 2026 is on Monday 7 December 2026. International Civil Aviation Day is a global observance that celebrates the importance of civil aviation and its contributions to...

  • National Pearl Harbor Remembrance Day 2026

    United States , United States

    National Pearl Harbor Remembrance Day is a solemn observance in the United States that honors and remembers the victims of the attack on Pearl Harbor, Hawaii, on December 7, 1941....

  • National Cotton Candy Day 2026

    United States , United States

    National Cotton Candy Day 2026 is on Monday 7 December 2026. National Cotton Candy Day is a sweet and nostalgic celebration dedicated to the fluffy, sugary delight known as cotton...

  • National Brownie Day 2026

    International

    Every December 8, chocolate lovers and home bakers unite to celebrate one of the most beloved desserts in the world: the brownie. National Brownie Day is a joyful tribute to...

  • Immaculate Conception

    International

    The Feast of the Immaculate Conception on December 8 honors the belief in Mary's sinless conception. Discover its meaning, history, and global celebrations.

  • Syria — Liberation Day

    International

    Syria — Liberation Day is on Tuesday 8 December 2026.Marks the fall of the Assad government on 8 December; the holiday was formally included in presidential decree 188 of 2025.Country...

  • International Anti-Corruption Day 2026

    International

    International Anti-Corruption Day is on Wednesday 9 December 2026. The UN observance highlights corruption and the work needed to prevent it, with a 2026–2027 campaign examining the links between corruption and other forms of crime.

  • Tanzania — Independence and Republic Day

    International

    Tanzania — Independence and Republic Day is on Wednesday 9 December 2026.The December independence celebration is distinct from the union of Tanganyika and Zanzibar celebrated on 26 April.Country or nation:...

  • National Lager Day 2026

    International

    National Lager Day 2026 is on Thursday 10 December 2026. National Lager Day is a celebration of one of the most popular and widely consumed styles of beer in the...

  • International Animal Rights Day 2026

    International

    International Animal Rights Day is observed on 10 December, which falls on Thursday in 2026. It is an animal-rights campaigning occasion, with a history linked to the group Uncaged, rather than a general instruction to adopt a pet or make a donation.

  • Human Rights Day 2026

    International

    Human Rights Day is on Thursday 10 December 2026. It marks the anniversary of the UN General Assembly's adoption of the Universal Declaration of Human Rights in 1948 and offers an opportunity to read, discuss and apply its ideas in everyday settings.

  • Christmas Jumper Day 2026

    United Kingdom , United Kingdom

    Christmas Jumper Day 2026 is Thursday 10 December. What is Christmas Jumper Day? Christmas Jumper Day is Save the Children’s annual festive fundraiser. People wear a Christmas jumper and make...

  • Burkina Faso National Day (Republic Day)

    International

    Burkina Faso National Day (Republic Day) is on Friday 11 December 2026.Commemorates the proclamation of the republic in 1958; the 2026 holiday law retains 11 December as the national holiday.Country...

  • International Mountain Day 2026

    International

    International Mountain Day is 11 December. The verified 2026 theme focuses on mountain pastoralists, rangelands, knowledge and livelihoods.

  • International Day of Neutrality 2026

    International

    International Day of Neutrality 2026 is on Saturday 12 December 2026. The International Day of Neutrality is a United Nations observance that promotes the principles of neutrality in international relations....

  • Kenya – Jamhuri Day

    International

    Jamhuri Day on December 12 marks Kenya’s independence and republic status, celebrated with parades, music, and reflection on national unity and heritage.