on this day, 32 engagements
Battles fought on 21 October
32 engagements in the atlas were fought on 21 October between 1096 and 1962: 22 battles, 5 sieges and 5 naval actions. Among them: Battle of Trafalgar (1805), Battle of Sekigahara (1600), Siege of Orléans (1428).
Engagements by date
| Date | Engagement | Place | War |
|---|---|---|---|
| 21 October 1096 | Battle of Civetot | İznik | People's Crusade |
| 21 October 1275 | Battle of Martos | Torredonjimeno | Q35810458 |
| 21 October 1331 | Siege of Akasaka | Shimo-Akasaka Castle | Genkō War |
| 21 October 1345 | Battle of Auberoche | Château d'Auberoche | Hundred Years' War |
| 21 October 1428 | Siege of Orléans | Orléans | Hundred Years' War |
| 21 October 1540 | Siege of Buda | Buda | |
| 21 October 1561 | Battle of Fujinaminawate | Tōjō Castle | |
| 21 October 1578 | Battles of Wenden | Cēsis | Livonian War |
| 21 October 1600 | Battle of Sekigahara | Sekigahara | Sekigahara Campaign |
| 21 October 1600 | Siege of Ōgaki Castle | Ōgaki Castle | |
| 21 October 1639 | Battle of the Downs | English Channel | Eighty Years' War |
| 21 October 1707 | Battle at The Lizard | Lizard Point | War of the Spanish Succession |
| 21 October 1757 | Battle of Cap-Français | Seven Years' War | |
| 21 October 1781 | Siege of Negapatam | Nagapattinam | Fourth Anglo-Dutch War |
| 21 October 1793 | Battle of Furnes | ||
| 21 October 1805 | Battle of Trafalgar | Cape Trafalgar | War of the Third Coalition |
| 21 October 1809 | Fourth Battle of Bergisel | Bergisel | Tyrolean Rebellion |
| 21 October 1861 | Battle of Ball's Bluff | Loudoun County, Virginia | American Civil War |
| 21 October 1861 | Battle of Camp Wildcat | Laurel County, Kentucky | American Civil War |
| 21 October 1861 | Engagement at Fredericktown | Madison County, Missouri | Trans-Mississippi theater of the American Civil War |
| 21 October 1863 | Battle of Cherokee Station | Alabama | American Civil War |
| 21 October 1864 | Battle of Little Blue River | Jackson County, Missouri | American Civil War |
| 21 October 1870 | Battle of Buzenval | Rueil-Malmaison | Franco-Prussian War |
| 21 October 1876 | Battle of Cedar Creek | Montana | Great Sioux War of 1876 |
| 21 October 1899 | Battle of Elandslaagte | Elandslaagte | Second Boer War |
| 21 October 1912 | Battle of Kardzhali | Kardzhali | First Balkan War |
| 21 October 1940 | Attack on Convoy BN 7 | Red Sea | World War II |
| 21 October 1944 | Battle of Carei | World War II | |
| 21 October 1945 | Battles of Bircza | Bircza | Polish–Ukrainian conflict |
| 21 October 1948 | Battle of Beersheba | Beersheba | 1948 Arab–Israeli War |
| 21 October 1950 | Battle of Yongju | Korean War | |
| 21 October 1962 | Battle of Walong | Walong | Sino-Indian War |
Only engagements recorded to the day are listed. Dates before 1582 are Julian, as recorded.