Wikipedia:Selected anniversaries/April 10
- 1815 - Mount Tambora in Indonesia began the most violent volcanic eruption in recorded history.
- 1919 - Mexican Revolutionary leader Emiliano Zapata (pictured) was shot to death near Ciudad Ayala, Morelos.
- 1941 - World War II: The Independent State of Croatia was established, with Ustaše leader Ante Pavelić as head of the puppet government.
- 1959 - Crown Prince Akihito, the future Emperor of Japan, wedded Michiko, the first commoner to marry into the Japanese imperial family.
- 1998 - The Good Friday Agreement, a major step in the Northern Ireland peace process, was signed.