March 15th Holidays: Celebrations and Observances Worldwide

March 15th 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 March 15th.

Holidays on March 15th

  • International Day Against Police Brutality
  • Turkey buzzards return to Hinckley, Ohio.
  • Blessed Arnicus of Averbode
  • For corporations in the United States that use the calendar year as their fiscal year, the date on which the corporation must file its corporate income tax return
  • Constitution Day in Belarus
  • National holiday in Hungary celebrating the 1848 Revolution. (See also Public holidays in Hungary)
  • World Consumer Rights Day [2]
  • In Japan, Hounen Matsuri
  • In the Roman calendar, the Ides of March.

Observances on March 15th

  • International Day to Combat Islamophobia

Saints celebrated on March 15th

  • Saint Clemens Maria Hofbauer (died 1820)
  • Saint Lucretia
  • Saint Luise of Marillac