1609 – Henry Hudson begins his exploration of the Hudson River while aboard the Half Moon
1938 – Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
1953 – U.S. Senator and future President John Fitzgerald Kennedy marries Jacqueline Lee Bouvier at St. Mary’s Church in Newport, Rhode Island.
1959 – The Soviet Union launches a large rocket, Lunik II, at the moon.
1990 – The two German states and the Four Powers sign the Treaty on the Final Settlement with Respect to Germany in Moscow, paving the way for German reunification.
2001 – Lower Manhattan, stunned by the attacks on the World Trade Center, begins the long process of recovery and rebuilding.
2011 – The 9/11 Memorial Museum in New York City opens to the public
Births
1725 – Guillaume Le Gentil, French astronomer (d. 1792)
1818 – Richard Jordan Gatling, American inventor, invented the Gatling gun
1852 – H. H. Asquith, English lawyer and politician, Prime Minister of the United Kingdom (d. 1928)
1922 – Mark Rosenzweig, American psychologist and academic (d. 2009)
Deaths
1660 – Jacob Cats, Dutch poet, jurist, and politician (b. 1577)
1870 – Fitz Hugh Ludlow, American journalist, explorer, and author (b. 1836)
1986 – Charlotte Wolff, German-English psychotherapist and physician (b. 1897)
2008 – David Foster Wallace, American novelist, short story writer, and essayist