| 19 September 1356 | France, England [Hundred Years War (1337–1453)] | Edward, Prince of Wales, the Black Prince, son of Edward III of England, raids central France from Gascony, defeating and capturing King John II of France at Maupertuis, near Poitiers, France. |
| 19 September 1843 | France [births and deaths] | Gustave-Gaspard Coriolis, French engineer who was the first to describe the Coriolis force, dies in Paris, France (50). |
| 19–20 September 1863 | USA, Confederate States of America [American Civil War (1861–65)] | Confederate forces under Braxton Bragg win a clear but strategically indecisive victory over a Union army commanded by William Rosecrans at the Battle of Chickamauga, Tennessee. The Confederacy loses 18,000 men, the Union 16,000. |
| 19 September 1891 | Chile [administration] | The dictator José Balmaceda is driven from office in Chile following civil war with the congress. |
| 19 September 1905 | [births and deaths] | Thomas John Barnardo, English social worker who founded 90 homes for destitute children, dies in Surbiton, Surrey, England (60). |
| 19 September 1958 | Algeria, Egypt [revolution] | The Algerian rebel leader Ferhat Abbas makes a proclamation in Cairo, Egypt, of the establishment of a Provisional Government of the Republic of Algeria. |
| 19 September 1970 | Israel, Jordan, UK, West Germany, Switzerland [terrorism] | Palestinian hijackers blow up three aircraft (two hijacked 6 September, one 9 September) at Dawson's Field, Jordan. On 30 September the remaining hostages go free, after Britain, West Germany, and Switzerland release their Palestinian prisoners. |
| 19 September 1976 | Sweden [elections] | The Swedish general election ends 40 years of government by the Social Democrats. |
| 19 September 1976 | Rhodesia [political events] | Ian Smith, the prime minister of Rhodesia (now Zimbabwe), accepts the principle of majority rule in his country. |
| 19 September 1978 | UK, Rhodesia [companies and organizations] | The Bingham Report in Britain reveals that the oil companies British Petroleum and Shell have broken sanctions against Rhodesia and that British ministers concealed knowledge of this. |
| 19 September 1983 | St Kitts and Nevis [decolonization] | The Caribbean islands of St Kitts and Nevis achieve independence from Britain. |
