on this day, 28 engagements
Battles fought on 27 September
28 engagements in the atlas were fought on 27 September between 1198 and 1944: 23 battles, 4 sieges and 1 naval action. Among them: First Turkish Siege of Vienna (1529), Battle of Kircholm (1605).
Engagements by date
| Date | Engagement | Place | War |
|---|---|---|---|
| 27 September 1198 | Battle of Gisors | Courcelles-lès-Gisors | Anglo-French War of 1194–1199 |
| 27 September 1331 | Battle of Płowce | Płowce | Polish–Teutonic War of 1327–1332 |
| 27 September 1422 | Battle of Marienburg | Malbork Castle | Golub War |
| 27 September 1529 | First Turkish Siege of Vienna | Vienna | Austro-Turkish Wars |
| 27 September 1556 | Battle of Inō | Nazuka-chō | |
| 27 September 1567 | Siege of Inabayama Castle | Gifu Castle | |
| 27 September 1605 | Battle of Kircholm | Salaspils | Polish–Swedish War of 1600–11 |
| 27 September 1660 | Battle of Chudniv | Chudniv | Russo-Polish War |
| 27 September 1705 | Siege of Hagenau | Haguenau | War of the Spanish Succession |
| 27 September 1708 | Battle of Koporye | Koporye | Great Northern War |
| 27 September 1778 | Baylor Massacre | River Vale, New Jersey | American Revolutionary War |
| 27 September 1810 | Battle of Bussaco | Serra do Bussaco | Peninsular War |
| 27 September 1811 | Battle of Aldeia da Ponte | Aldeia da Ponte | Peninsular War |
| 27 September 1852 | Battle of Gur Amba | Zemene Mesafint | |
| 27 September 1861 | Battle of Pinos Altos | Pinos Altos, New Mexico | American Civil War |
| 27 September 1862 | Battle of Augusta | Augusta, Kentucky | American Civil War |
| 27 September 1864 | Battle of Fort Davidson | Iron County, Missouri | American Civil War |
| 27 September 1864 | Centralia Massacre | Centralia, Missouri | American Civil War |
| 27 September 1864 | Battle of Marianna | Marianna, Florida | American Civil War |
| 27 September 1913 | First Battle of Torreón | Mexican Revolution | |
| 27 September 1918 | Battle of the Canal du Nord | Canal du Nord | Western Front |
| 27 September 1918 | Battle of Jisr Benat Yakub | Jordan River | World War I |
| 27 September 1936 | Battle of Eibar | Eibar | Spanish Civil War |
| 27 September 1939 | Battle of Władypol | Vladipil' | 1939 Invasion of Poland |
| 27 September 1940 | Battle of Graveney Marsh | Kent | World War II |
| 27 September 1942 | Battle of SS Stephen Hopkins | Atlantic Ocean | World War II |
| 27 September 1944 | Battle of Metz | Metz | Western Front |
| 27 September 1944 | Fort Driant |
Only engagements recorded to the day are listed. Dates before 1582 are Julian, as recorded.