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...

1461: Edward IV Deposes Henry VI in Wars of the Roses

On March 4, 1461, Edward, Duke of York, was crowned king of England, ending 62 years of Lancastrian rule. The Yorkists would rule England...

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...

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...

1836: Santa Anna Launches Siege on the Alamo

On February 23, 1836, Mexican General Santa Anna began a siege against nearly 200 Texan rebels stationed inside the Alamo. He launched an assault...

1857: Supreme Court Rules Against Dred Scott

On March 6, 1857, the Supreme Court ruled against Dred Scott, a slave who sued for freedom after spending time in free territory. The...

1974: Heiress Patty Hearst Kidnapped

On February 4, 1974, members of the Symbionese Liberation Army kidnapped Patty Hearst, 19, granddaughter of newspaper mogul William Randolph Hearst. After months of...

1952: British WWII Code Breaker Alan Turing Goes on Trial for Homosexuality

On March 31, 1952, Alan Turing, computer technology pioneer and breaker of the Nazi Enigma code, was put on trial for homosexual acts. Found...

1938: “Kristallnacht” Attacks Mark Unofficial Start of Holocaust

On Nov. 9, 1938, Nazi storm troopers launched a coordinated attack against Jewish communities, destroying property and shipping thousands to concentration camps. “Night of Broken...

1990: Nelson Mandela Released From Prison

On February 11, 1990, South African President Frederik Willem de Klerk freed anti-apartheid activist Nelson Mandela. Mandela had spent 27 years in prison. Mandela Goes...