Today:
1519: Hernán Cortés enters the Aztec capital of Tenochtitlán, where he is received by Montezuma II.
1602: The Bodleian Library at the University of Oxford is opened to the public.
1793: The Louvre Museum is opened to the public in Paris during the French Revolution.
1837: Mount Holyoke Female Seminary, which would later become Mount Holyoke College, is founded in Massachusetts as the first U.S. college for women.
1889: Montana is admitted as the 41st U.S. state.
1895: German physicist Wilhelm Röntgen discovers X-rays.
1923: Adolf Hitler and the Nazi Party launch the Beer Hall Putsch, an unsuccessful attempt to seize power in Munich, Germany.
1942: Operation Torch, the Allied invasion of French North Africa, begins during World War II.
1960: John F. Kennedy is elected the 35th President of the United States, defeating Richard Nixon.
1972: Home Box Office (HBO) launches, becoming the first premium pay television network in the United States.