Historical Events
- Sep 3 USS Vincennes leaves NY to become 1st warship to circumnavigate globe
Famous Birthdays
- Sep 4 Martin Wiberg, Swedish computer pioneer, born in Viby, Scania, Sweden (d. 1905)
- Sep 5 John Wisden, English cricket all-rounder (launched Wisden Cricketers' Almanack 1864; Sussex CCC, Kent CCC, Middlesex CCC), born in Brighton, England (d. 1884)
- Sep 6 Vladimir Nikitich Kashperov, Russian composer, born in Chufarovo, Russia (d. 1894)
- Sep 8 Disma Fumagalli, Italian composer, born in Inzago, Milan, Italy (d. 1893)
- Sep 9 Frederick I, Grand Duke of Baden (1856-1907), born in Karlsruhe, Baden-Württemberg (d. 1907)
- Sep 9 Thomas John Lucas, American Brevet Major General (Union Army), born in Dearborn County, Indiana (d. 1908)
- Sep 17 Berhard Riemann, German mathematician (zeta-function), born in Breselenz, Hanover (d. 1866)
Famous Deaths
- Sep 22 Johann Peter Hebel, German writer (Allemannische Gedichte), dies at 66
- Sep 25 Giovanni Battista Brocchi, Italian naturalist and geologist (Conchiologia fossile subappennina), dies of suspected of dysentery in Khartoum at 54
- Sep 26 Alexander Gordon Laing, Scottish explorer (1st European to reach Timbuktu), murdered in or near Timbuktu at 31
