1979: Nuclear Meltdown Occurs at Three Mile Island
On March 28, 1979, the Three Mile Island nuclear power plant experienced a partial meltdown. It was the worst-ever commercial nuclear accident in American history.
Meltdown...
1868: President Andrew Johnson Impeached
On February 24, 1868, Andrew Johnson became the first U.S. president to be impeached; the Senate subsequently acquitted him by a single vote.
House Impeaches...
1993: Car Bomb Explodes Beneath World Trade Center
On February 26, 1993, Islamic terrorists detonated a car bomb in the World Trade Center’s basement garage, killing six and injuring more than 1,000.
Explosion...
1971: Charles Manson and Followers Sentenced to Death
On March 29, 1971, a jury sentenced Charles Manson and three members of his “Family” to death for murdering actress Sharon Tate and seven...
1898: USS Maine Explodes in Havana Harbor
On February 15, 1898, the U.S. battleship Maine blew up in Havana Harbor, escalating tensions with Spain and contributing to the outbreak of the...
1989: Exxon Valdez Wreck Causes Massive Oil Spill
On March 24, 1989, the oil tanker Exxon Valdez struck a reef in Alaska’s Prince William Sound, causing 11 million gallons of oil to...
On This Day: Iraq Invades Kuwait, Leading to Persian Gulf War
On Aug. 2, 1990, Iraqi soldiers invaded the Gulf state of Kuwait in the early morning hours, precipitating the start of the Persian Gulf...
1770: British Soldiers Kill 5 in “Boston Massacre”
On March 5, 1770, British soldiers stationed in Boston fired on a crowd of hecklers, killing five and wounding others.
British Soldiers Open Fire on...
1964: Muhammad Ali Wins Heavyweight Title
On February 25, 1964, 22-year-old Cassius Clay became the world heavyweight boxing champion, defeating Sonny Liston in an upset.
“I Shook Up the World”
Muhammad Ali,...
1954: Puerto Rican Nationalists Launch Assault on U.S. Congress
On March 1, 1954, Puerto Rican nationalists opened fire on the House of Representatives, injuring five congressmen.
Nationalists Attack Congress
Three members of the Puerto Rico...










