At a Glance
March 15
Observances & Celebrations
Commemorative holidays, national days, religious feasts, and international traditions observed on this date.
National observance
Constitution Day (Belarus)
National observance
International Day To Combat Islamophobia
National observance
National Day, celebrating the Hungarian Revolution of 1848 (Hungary)
Hungary
Cultural observance
Youth Day (Palau)
Religious observance
Feast of Aristobulus of Britannia (Roman Catholic Church)
Italy
Religious observance
Feast of Artémides Zatti
Religious observance
Feast of Blessed William Hart
Religious observance
Feast of Clement Mary Hofbauer
Religious observance
Feast of Leocritia
Religious observance
Feast of Louise de Marillac
Religious observance
Feast of March 15 (Eastern Orthodox liturgics)
Religious observance
Feast of Saint Longinus
Observance
Ancient Roman religious observance: Ides of March
Italy
Observance
Joseph Jenkins Roberts' Birthday (Liberia)
Observance