December 1st Holidays: Celebrations and Observances Worldwide

December 1st is a day filled with various holidays, celebrations, observances, and historical significance around the world. From international events to national holidays and religious commemorations and saints, this date holds special meaning for many cultures and communities. Explore the list of holidays, observances and saints celebrated on December 1st.

Holidays on December 1st

  • Iceland
  • Ancient Latvia - Barbes Diena observed
  • Feast day of St Eligius
  • Romania - Union Day (the national holiday)
  • Angola's Pioneers' Day
  • World AIDS Day
  • Portugal - Restoration of Independence Day: on December 1, 1640, Portugal regains its independence from Spain and Jopo IV of Portugal becomes king.