At a Glance
May 21
Observances & Celebrations
Commemorative holidays, national days, religious feasts, and international traditions observed on this date.
National observance
Independence Day, celebrates the Montenegrin independence referendum in 2006, celebrated until the next day. (Montenegro)
Religious observance
Feast of Blessed Adílio Daronch and Manuel Gómez González
Religious observance
Feast of Blessed Franz Jägerstätter
Religious observance
Feast of Blessed Hemming of Turku
Religious observance
Feast of Earliest day on which Corpus Christi can fall, while June 24 is the latest; held on Thursday after Trinity Sunday (often locally moved to Sunday). (Roman Catholic Church)
Italy
Religious observance
Feast of Eugène de Mazenod
Religious observance
Feast of Helena of Constantinople, also known as "Feast of the Holy Great Sovereigns Constantine and Helen, Equal-to-the-Apostles." (Eastern Orthodox Church, Anglican Communion)
Religious observance
Feast of John Elliot (Episcopal Church)
Religious observance
Feast of May 21 (Eastern Orthodox liturgics)
Religious observance
Feast of Saints of the Cristero War, including Christopher Magallanes
Religious observance
Saint Helena Day, celebrates the discovery of Saint Helena in 1502. (Saint Helena, Ascension and Tristan da Cunha)
Observance
Afro-Colombian Day (Colombia)
Colombia
Observance
Circassian Day of Mourning (Circassians)
Observance
Day of Patriots and Military (Hungary)
Hungary
Observance
International Tea Day (International)
Observance
Navy Day (Chile)
Chile