on this day, 15 engagements
Battles fought on 20 April
15 engagements in the atlas were fought on 20 April between AD 239 and 1917: 8 battles, 5 sieges and 2 naval actions. Among them: Battle of Marj al-Saffar (1303).
Engagements by date
| Date | Engagement | Place | War |
|---|---|---|---|
| 20 April AD 239 | Siege of Dura-Europos | Dura-Europos | Q3778777 |
| 20 April 1303 | Battle of Marj al-Saffar | Ghabaghib | Mongol invasions and conquests |
| 20 April 1499 | Battle of Frastanz | Frastanz | Swabian War |
| 20 April 1644 | Siege of Lyme Regis | Lyme Regis | First English Civil War |
| 20 April 1657 | Battle of Santa Cruz de Tenerife | Santa Cruz de Tenerife | Anglo-Spanish War |
| 20 April 1756 | Siege of Fort St Philip | St. Philip's Castle | Seven Years' War |
| 20 April 1770 | Battle of Aspindza | Aspindza | Georgian–Ottoman conflicts |
| 20 April 1793 | Battle of Céret | Céret | War of the Pyrenees |
| 20 April 1797 | Battle of Irois | Les Irois | Haitian Revolution |
| 20 April 1800 | Siege of Genoa | Genoa | War of the Second Coalition |
| 20 April 1809 | Battle of Abensberg | Abensberg | War of the Fifth Coalition |
| 20 April 1837 | Siege of Solsona | Solsona | First Carlist War |
| 20 April 1848 | Battle on the Scheideck | Scheideck Pass | Baden Revolution |
| 20 April 1890 | Battle of Atchoukpa | Atchoukpa | First Franco-Dahomean War |
| 20 April 1917 | Second Battle of Dover Strait | Strait of Dover | World War I |
Only engagements recorded to the day are listed. Dates before 1582 are Julian, as recorded.