1944 - Polish insurgents liberated a German labor camp in Warsaw. 348 Jewish prisoners were freed.
1953 - During the Korean conflict prisoners were exchanged at Panmunjom. The exchange was labeled Operation Big Switch.
1962 - Marilyn Monroe was found dead in her home.
1963 - The Limited Test Ban Treaty was signed by the United States, Britain, and the Soviet Union. The treaty banned nuclear tests in space, underwater, and in the atmosphere.
1969 - The Mariner 7, a U.S. space probe, passed by Mars. Photographs and scientific data were sent back to Earth.
1990 - U.S. President Bush angrily denounced the Iraqi invasion of Kuwait.
1991 - Iraq admitted to misleading U.N. inspectors about secret biological weapons.
1998 - Iraqi President Saddam Hussein began not cooperating with U.N. weapons inspectors.