on this day, 16 engagements
Battles fought on 4 October
16 engagements in the atlas were fought on 4 October between 1477 and 1974: 10 battles, 5 sieges and 1 naval action.
Engagements by date
| Date | Engagement | Place | War |
|---|---|---|---|
| 4 October 1477 | Siege of Gray | Gray | War of the Burgundian Succession |
| 4 October 1486 | Siege of Retz | Retz | Austrian–Hungarian War |
| 4 October 1573 | Siege of Ménerbes | Ménerbes | |
| 4 October 1581 | Siege of Tournai | Tournai | Eighty Years' War |
| 4 October 1636 | Battle of Wittstock | Wittstock/Dosse | Thirty Years' War |
| 4 October 1655 | Battle of Kościanem (1655) | Kościan | Deluge |
| 4 October 1674 | Battle of Entzheim | Entzheim | Franco-Dutch War |
| 4 October 1693 | Battle of Marsaglia | Piossasco | Nine Years' War |
| 4 October 1705 | Siege of Badajoz | Badajoz | War of the Spanish Succession |
| 4 October 1759 | St. Francis Raid | Saint-François-du-Lac | French and Indian War |
| 4 October 1777 | Battle of Germantown | Germantown, Pennsylvania | American Revolutionary War |
| 4 October 1811 | Battle of Cervera | Cervera | Peninsular War |
| 4 October 1862 | Battle of Galveston Harbor | Galveston, Texas | American Civil War |
| 4 October 1917 | Battle of Broodseinde | Zonnebeke | Western Front |
| 4 October 1944 | Battle of Opheusden | Opheusden | Western Front |
| 4 October 1974 | Battle of Duc Duc |
Only engagements recorded to the day are listed. Dates before 1582 are Julian, as recorded.