At a Glance
June 23
Observances & Celebrations
Commemorative holidays, national days, religious feasts, and international traditions observed on this date.
National observance
National Day of Remembrance for Victims of Terrorism (Canada)
Canada
Cultural observance
Okinawa Memorial Day (Okinawa Prefecture)
Religious observance
Feast of Æthelthryth
Religious observance
Feast of Blessed Maria Raffaella Cimatti
Religious observance
Feast of Joseph Cafasso
Religious observance
Feast of June 23 (Eastern Orthodox liturgics)
Religious observance
Feast of Marie of Oignies
Religious observance
Feast of Thomas Garnet
Religious observance
Saint John's Eve and the first day of the Midsummer celebrations (although this is not the real summer solstice; see June 20) (Roman Catholic Church, Europe): Bonfires of Saint John (Spain)
Spain
Religious observance
Saint John's Eve and the first day of the Midsummer celebrations (although this is not the real summer solstice; see June 20) (Roman Catholic Church, Europe): First day of Golowan Festival (Cornwall)
Italy
Religious observance
Saint John's Eve and the first day of the Midsummer celebrations (although this is not the real summer solstice; see June 20) (Roman Catholic Church, Europe): First night of Festa de São João do Porto (Porto)
Italy
Religious observance
Saint John's Eve and the first day of the Midsummer celebrations (although this is not the real summer solstice; see June 20) (Roman Catholic Church, Europe): Jaaniõhtu (Estonia)
Estonia
Observance
Father's Day (Nicaragua, Poland)
Observance
Grand Duke's Official Birthday (Luxembourg)
Observance
International Widows Day (international)
Observance