October 21st Holidays: Celebrations and Observances Worldwide

October 21st 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 October 21st.

Holidays on October 21st

  • R.C. saints - Saint Ursula and her 11 (or 11000) virgins; Saint Hilarion
  • Republic of China - Overseas Chinese Day
  • French Republican Calendar - Tonneau (Barrel) Day, thirtieth day in the Month of VendTmiaire
  • In the comic novel Good Omens by Neil Gaiman and Terry Pratchett, the Earth was born on this day in 4004 BC, within a quarter of an hour of 9 in the morning. This was supposedly because God liked to get things over with early.
  • Trafalgar Day ? celebrated throughout much of the British Empire in the 19th and early 20th Century.
  • Also see October 21 (Eastern Orthodox liturgics)
  • International Day of the Nacho ? celebrated in the United States and Mexico since the early 1990s.
  • Diwali in India (2006)