Worldpedia:Selected anniversaries/March 13
On March 13:
- 874 - The bones of Saint Nicephorus were interred in Constantinople.
- 1639 - Harvard University was named for a clergyman.
- 1781 - William Herschel discovered the planet Uranus.
- 1930 - Clyde Tombaugh discovered the planet Pluto.
- 1881 - Alexander II of Russia was killed in a Nihilist bombing.
- 1954 - Battle of Dien Bien Phu, last battle of the Indochina War, began.