This Day in History: February 24, 2025

1582

Pope Gregory XIII issued a papal bull introducing the Gregorian calendar reform.
1803

The Supreme Court ruled in Marbury v. Madison that any act of Congress which conflicts with the Constitution is null and void.
1821

Mexico declared its independence from Spain.
1868

Andrew Johnson, 17th president of the United States, became the first president to have impeachment proceedings brought against him by the House of Representatives.
1903

The lease for Guantanamo Bay, Cuba, was signed.
1920

Adolf Hitler outlined the basic points of the Nazi party at the Hofbrauhaus in Munich.
1968

The discovery of a pulsar was announced.
1980

The U.S. hockey team defeated Finland to win the gold medal at the Lake Placid Olympics.

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February 24