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...
1962: Cuban Missile Crisis Begins
On Oct. 14, 1962, a United States spy plane spotted missile bases under construction in Cuba, touching off the two-week Cuban Missile Crisis.
Two Weeks...
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...
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,...
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...
1937: President Roosevelt Proposes “Court-Packing” Plan
On February 5, 1937, President Franklin D. Roosevelt presented Congress with legislation intended to manufacture Supreme Court approval for his New Deal.
“Court-Packing” Bill Fails...
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...
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...
1978: Aldo Moro Kidnapped by the Italian Red Brigades
On March 16, 1978, former Italian Prime Minister Aldo Moro was kidnapped by a left-wing extremist group; he was killed 55 days later when...









