Wikipedia:Selected anniversaries/April 15
April 15: Father Damien Day in Hawaii
- 1738 - George Frideric Handel's opera Serse, loosely based on Xerxes I of Persia, was performed for the first time.
- 1755 - A Dictionary of the English Language by Samuel Johnson was first published.
- 1947 - African American Jackie Robinson of the Brooklyn Dodgers broke the color line in baseball.
- 1985 - Marvin Hagler defeated Thomas Hearns to retain the world middleweight boxing championship.
- 1989 - The Hillsborough disaster, one of the biggest tragedies of European football, occurred.