Joseph Stalin, Winston Churchill, and Harry S. Truman met at the Potsdam Conference, the last Allied summit conference of World War II. 1945.
Former Russian tsar Nicholas II and his family were executed by Bolsheviks. 1918.
The Carpathia, the ocean liner that rescued the survivors of the Titanic in 1912, was sunk by a German U-boat during World War I. 1918.
American mechanical engineer Willis Carrier completed drawings for what would became the first modern air conditioner. 1902.
Disneyland, an amusement park featuring attractions based on the creations of Walt Disney and the Disney Company, opened in Anaheim, California. 1955.
TWA flight 800 crashed into the Atlantic Ocean off the coast of Long Island, killing all 230 people on board; a U.S. government inquiry determined that a mixture of fuel and air had ignited accidentally within a fuel tank, though others believe the jetliner was shot down by a missile. 1996.
