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: United States Drops Atomic Bomb on Hiroshima

On Aug. 6, 1945, U.S. war plane Enola Gay dropped “Little Boy,” a 8,900-pound atomic bomb, on Hiroshima, Japan. Within eight days, Japan surrendered,...

1933: Arsonist Torches the Reichstag

On February 27, 1933, the Reichstag building in Berlin was burned down by a Dutch communist, possibly with the assistance of Nazi officials. The...

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...

1587: Mary, Queen of Scots Beheaded

On February 8, 1587, Mary I of Scotland was beheaded for her alleged role in a conspiracy against her cousin Queen Elizabeth I of...

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...

USSR established -1922

In post-revolutionary Russia, the Union of Soviet Socialist Republics (USSR) is established, comprising a confederation of Russia, Belorussia, Ukraine, and the Transcaucasian Federation (divided...

1633: Galileo Faces Inquisition

On February 13, 1633, Galileo arrived in Rome to be tried for promoting Copernican theories, such as the revolutionary idea that the Earth orbits...

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...