This Day in History: 0000-03-17

17 Mar – Saint Patrick, the Patron Saint of Ireland, died in Ireland (461). St. Patrick’s Day is celebrated around the world celebrating his life and work, introducing Christianity to Ireland.
17 Mar – President Franklin Delano Roosevelt opened the National Gallery of Art (1937).
17 Mar – Christian Castilian and Murcian forces routed Muslim Granadan troops in the Battle of Los Alporchones, a pivotal victory in the reconquest of Spain (1452).