1831 - Nat Turner, a former slave, led a violent insurrection in Virginia. He was later executed.
1841 - A patent for venetian blinds was issued to John Hampton. It has been reported that the same day MR Hampton was awarded a copyright on four new cuss words when the cords became entangled on his invention.
1945 - U.S. President Truman ended the Lend-Lease program that had shipped about $50 billion in aid to America's Allies during World War II.
1959 - Hawaii became the 50th state. U.S. President Eisenhower also issued the order for the 50 star flag.
1993 - NASA lost contact with the Mars Observer spacecraft. The fate of the spacecraft was unknown. The mission cost $980 million.