August 13th Holidays: Celebrations and Observances Worldwide

August 13th 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 August 13th.

Holidays on August 13th

  • International Lefthanders Day
  • St. Wigbert
  • RC saints - Pontianus and Hippolytus, Radegunde (help against the pox), Cassianus of Imola (patron of shorthand-writers)
  • In Brasil, Friday 13 August (agosto) is considered to be especially filled with sorrow (desgosto)
  • Roman Catholicism - the feasts of at least 6 saints: St. Hippolytus
  • St. Cassian
  • St. John Berchmans
  • St. John Bosco
  • St. Radegund
  • Roman festivals - Vertumnalias in honor of Vertumnus, and also Diana, on the Aventine hill