on this day, 28 engagements
Battles fought on 20 October
28 engagements in the atlas were fought on 20 October between 1097 and 1950: 20 battles, 4 sieges and 4 naval actions. Among them: Battle of Navarino (1827), Siege of Antioch (1097), First Battle of Kharkov (1941), Battle of Ulm (1805).
Engagements by date
| Date | Engagement | Place | War |
|---|---|---|---|
| 20 October 1097 | Siege of Antioch | Antioch | First Crusade |
| 20 October 1465 | Battle of Montenaken | Montenaken | Liège Wars |
| 20 October 1565 | Battle of Axtorna | Axtorna | Northern Seven Years' War |
| 20 October 1567 | Siege of Chittorgarh | Chittorgarh Fort | |
| 20 October 1568 | Battle of Jodoigne | Jodoigne | Eighty Years' War |
| 20 October 1572 | Relief of Goes | Goes | Eighty Years' War |
| 20 October 1576 | Spanish Fury at Maastricht | Maastricht | Eighty Years' War |
| 20 October 1587 | Battle of Coutras | Coutras | French Wars of Religion |
| 20 October 1597 | Siege of Oldenzaal | Oldenzaal | Eighty Years' War |
| 20 October 1600 | Battle of Kuisegawa | Kuise River | |
| 20 October 1622 | Capture of Mannheim | Mannheim | Thirty Years' War |
| 20 October 1645 | Battle of Annan Moor | Annan | Wars of the Three Kingdoms |
| 20 October 1735 | Battle of Clausen | Klausen | War of the Polish Succession |
| 20 October 1778 | Action of 20 October 1778 | Cape Finisterre | Anglo-French War of 1778–1783 |
| 20 October 1782 | Battle of Cape Spartel | Cape Spartel | American Revolutionary War |
| 20 October 1793 | Action of 20 October 1793 | French Revolutionary Wars | |
| 20 October 1794 | Battle of Saint-Raphaël | Saint-Raphaël | War of the Pyrenees |
| 20 October 1799 | Battle of Nantes | Nantes | French Revolution |
| 20 October 1805 | Battle of Ulm | Ulm | Napoleonic Wars |
| 20 October 1827 | Battle of Navarino | Pylos | Greek War of Independence |
| 20 October 1863 | Battle of Rybnica | Rybnica, Świętokrzyskie Voivodeship | January Uprising |
| 20 October 1863 | Battle of Philadelphia | Tennessee | |
| 20 October 1899 | Battle of Talana Hill | Dundee | Second Boer War |
| 20 October 1914 | First Battle of Edea | Edéa | Q659991 |
| 20 October 1918 | Battle of the Lys and the Escaut | East Flanders | Western Front |
| 20 October 1941 | First Battle of Kharkov | Kharkiv | Eastern Front |
| 20 October 1944 | Battle of the University | University of Bologna | Q2094191 |
| 20 October 1950 | Battle of Pyongyang (1950) | Pyongyang | Korean War |
Only engagements recorded to the day are listed. Dates before 1582 are Julian, as recorded.