June 18th Holidays: Celebrations and Observances Worldwide

June 18th 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 June 18th.

Holidays on June 18th

  • Seychelles - National Day.
  • Brazil - Chemist's Day.
  • Father's Day, US, UK, Chile (2006).
  • Autistic Pride Day, beginning in 2005.

Observances on June 18th

  • International Day for Countering Hate Speech
  • Sustainable Gastronomy Day