1977: 583 Killed as 747s Collide on Tenerife Runway

On March 27, 1977, two 747 airliners collided on a runway in the Canary Island of Tenerife, killing 583 people, more than any plane...

1887: First Groundhog Day Celebrated in Punxsutawney

On February 2, 1887, Punxsutawney, Pennsylvania, celebrated the first official Groundhog Day, a holiday with roots in ancient traditions. The Origins of Groundhog Day On February...

1977: Hanafi Muslim Gunmen End Siege in Washington, DC

On March 11, 1977, Hamaas Abdul Khaalis, leader of the Nation of Islam splinter group Hanafi Movement, ended a three-day siege of three buildings...

1997: Rap Icon Notorious B.I.G. Murdered

On March 9, 1997, Biggie Smalls was killed in a Los Angeles drive-by shooting that may have been linked to rap industry rivalries. His...

On This Day: Charles Whitman Carries Out Sniper Attack From University of Texas Tower

Charles Whitman had been a model citizen before the rampage. One of the youngest Boy Scouts ever to earn Eagle Scout honors, he joined...

1970: Jury Convicts Five of Chicago Seven

On February 18, 1970, five members of the “Chicago Seven” were found guilty of inciting riots at the 1968 Democratic Convention. Trial Illustrates Cultural Divide...

1937: Gas Leak Causes New London School Explosion

On March 18, 1937, the worst school disaster in American history occurred when a gas explosion killed nearly 300 schoolchildren in Texas. Gas Explosion Destroys...

On This Day: President Nixon Resigns

On Aug. 8, 1974, President Richard Nixon, facing impeachment charges for his role in the Watergate Hotel break-in, announced his resignation. The Watergate Scandal At 2:30...

1942: Roosevelt Authorizes Internment of Japanese-Americans

On February 19, 1942, President Franklin D. Roosevelt signed Executive Order 9066, which authorized the military to relocate Japanese-Americans from their homes to internment...

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...