on this day, 17 engagements
Battles fought on 4 April
17 engagements in the atlas were fought on 4 April between 1268 and 1981: 11 battles, 5 sieges and 1 naval action. Among them: Siege of Acre (1291).
Engagements by date
| Date | Engagement | Place | War |
|---|---|---|---|
| 4 April 1268 | Fall of Beaufort Castle | Beaufort Castle | Crusades |
| 4 April 1291 | Siege of Acre | Acre | Crusades |
| 4 April 1303 | Battle of Arques | Arques | Franco-Flemish War |
| 4 April 1368 | Siege of Copenhagen | Copenhagen | Danish-Hanseatic War of 1361-1370 |
| 4 April 1794 | Battle of Racławice | Racławice | Kościuszko Uprising |
| 4 April 1794 | Siege of Bastia | Bastia | Invasion of Corsica |
| 4 April 1817 | Battle of Curapalihue | Chilean War of Independence | |
| 4 April 1821 | Siege of Patras | Patras | Greek War of Independence |
| 4 April 1849 | Battle of Tápióbicske | Hungarian Revolution of 1848 | |
| 4 April 1900 | Battle of Mostertshoek | ||
| 4 April 1938 | Battle of the Segre | Segre | Spanish Civil War |
| 4 April 1941 | Action of 4 April 1941 | Atlantic Ocean | World War II |
| 4 April 1945 | Cactus Ridge | Okinawa | World War II |
| 4 April 1948 | Battle of Mishmar HaEmek | Mishmar HaEmek | 1947–1948 Civil War in Mandatory Palestine |
| 4 April 1972 | Battle of Loc Ninh | Lộc Ninh | Vietnam War |
| 4 April 1975 | Operation Babylift | ||
| 4 April 1981 | Attack on H3 | Iraq | Iran–Iraq War |
Only engagements recorded to the day are listed. Dates before 1582 are Julian, as recorded.