1819 – Spain sells Florida to the U.S. for five million dollars.
1856 – The Republican Party holds its first national convention in Pittsburgh.
1889 – President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as states.
1924 – President Calvin Coolidge becomes the first president to deliver a radio address from the White House.
1980 – Miracle on Ice: In Lake Placid, New York, the United States hockey team defeats the Soviet Union hockey team 4-3. It was one of the most dramatic upsets in Olympic history.
