Wikipedia:Selected anniversaries/April 7
- 529 - Byzantine Emperor Justinian I (pictured) issued the first draft of the Corpus Juris Civilis, a first attempt to codify Roman law.
- 1348 - King Karel I of Bohemia issued a Golden Bull to establish the Charles University, the first university in Central Europe.
- 1795 - The metre was adopted as the unit of length in France.
- 1945 - World War II: The Yamato of the Imperial Japanese Navy was sunk 200 miles north of Okinawa during Operation Ten-Go.
- 1947 - The Arab Ba'th Party was founded in Damascus.