Wikipedia:Selected anniversaries/March 19
March 19: Saint Joseph's Day in Catholicism and Father's Day in various countries
- 1279 - The Song Dynasty in Imperial China ended with a Mongolian victory in the Battle of Yamen.
- 1687 - The search for the mouth of the Mississippi River led by French explorer Robert Cavelier de La Salle ended with a mutiny and his murder in Texas.
- 1915 - The planet Pluto was photographed for the first time, 15 years before it was eventually discovered by Clyde Tombaugh at the Lowell Observatory.
- 1932 - The Sydney Harbour Bridge, a major landmark in Sydney, Australia, was formally opened.
- 1982 - The Falklands War began with an Argentine occupation of South Georgia.