May 21st Holidays: Celebrations and Observances Worldwide

May 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 May 21st.

Holidays on May 21st

  • Equals-to-the-Apostles
  • Dia de la Afrocolombianidad marks the abolition of slavery in Colombia.
  • Navy Day (Dfa de las Glorias Navales) in Chile.

Observances on May 21st

  • International Tea Day
  • World Day for Cultural Diversity for Dialogue and Development

Saints celebrated on May 21st

  • Saint Constantine the Great
  • Saints Constantine and Helena
  • Saint Mireille
  • Saint Charles-EugFne de Mazenod
  • Saint Goderik