April 20, 2016. There are 255 days remaining in the year.
1769
Ottawa Indian chief Pontiac murdered.
1841
The first detective story, Edgar Allen Poe’s Murders in the Rue Morgue was published.
1902
Marie and Pierre Curie isolated radium.
1912
The Boston Red Sox played their first game at Fenway Park. They beat the N.Y. Highlanders (who in 1913 would become known as the Yankees) 7-6.
1971
The U.S. Supreme Court upheld the practice of busing for racial desegregation.
1999
Eric Harris and Dylan Klebold went on a shooting spree at Columbine High School in Littleton, Colo. 14 students (including the shooters) and 1 teacher were killed; 23 others were wounded.
2008
Danica Patrick won the Indy Japan 300, becoming the first woman to win an IndyCar race.
2010
An explosion on a BP oil drilling rig off the coast of Louisiana kills 11 people and injures 17. Experts estimate that 13,000 gallons of crude oil per hour are pouring into the Gulf of Mexico.