What happened on March 19 ?

The first day of Quinquatria in ancient Rome, held in honor of Minerva.

The swallows return to Mission San Juan Capistrano in California.

Mojoday in Discordianism

Roman Catholicism and Church of England - Saint Joseph's Day for Saint Joseph of Nazareth, spouse of the Blessed Virgin Mary, stepfather of Jesus; patron saint of Belgium, a good death, carpenters hence also (alternative) Father's Day in Spain, Portugal, Belgium

Las Fallas in Valencia, Spain.

Saint Landoald

Saint Adeltrudis (d.670)