Robert Ingersoll 1833
- 1877 - The two moons of Mars were discovered by Asaph Hall, an American astronomer. He named them Phobos and Deimos.
- 1896 - Harvey Hubbell received a patent for the electric light bulb socket with a pull-chain.
- 1909 - The American ship Arapahoe became the first to ever use the SOS distress signal off the coast of Cape Hatteras, NC.
- 1954 - Seven years of fighting came to an end in Indochina. A formal peace was in place for the French and the Communist Vietminh.
- 1984 - U.S. President Ronald Reagan was preparing for his weekly radio broadcast when, during testing of the microphone, the President said of the Soviet Union, "My fellow Americans, I am pleased to tell you that I just signed legislation that would outlaw Russia forever. We begin bombing in five minutes."
- 1995 - All U.S. nuclear tests were banned by President Clinton.