Historic Event
Sep 1 Napoleon III captured at Sedan
- Sep 2 Napoleon III surrenders to Prussian armies at the Battle of Sedan
- Sep 4 The Third French Republic proclaimed as French overthrow Emperor Napoleon III (who ironically was the elected president of the Second French Republic) after his defeat by Prussia at Sedan
- Sep 6 Ship sinks in Gulf of Biscay; 483 die
- Sep 8 Netherlands and Britain sign "Koelietraktaat" an agreement to allow Indian contract workers from Calcutta to work in sugar plantations in Suriname
- Sep 10 Dutch Jurist Cooperation forms
- Sep 15 Dutch 1st Chamber abolishes Capital punishment (20-18)
- Sep 15 British Open Men's Golf, Prestwick GC: Tom Morris, Jr. wins third straight title; again beats Bob Kirk, this time by 12 strokes
- Sep 19 Siege of Paris by Prussian Forces begins (lasts until January 28 1871)
- Sep 20 Capture of Rome by Italian army, Pope Pius IX surrenders to King Victor Emmanuel which unifies Italy and ends 1,116 year reign of Papal States
