1792: President Washington signed an act creating the U.S. Post Office.
1809: The Supreme Court ruled the power of the federal government is greater than that of any individual state.
1933: The House of Representatives completed congressional action on an amendment to repeal Prohibition.
1938: Anthony Eden resigned as British foreign secretary in a dispute with Prime Minister Neville Chamberlain.
1962: Astronaut John Glenn became the first American to orbit the Earth, flying aboard the Friendship 7 Mercury capsule.
1987: A bomb blamed on the Unabomber exploded behind a computer store in Salt Lake City, seriously injuring a store executive.