on this day, 32 engagements
Battles fought on 20 June
32 engagements in the atlas were fought on 20 June between AD 451 and 1944: 25 battles, 6 sieges and 1 naval action. Among them: Battle of the Maureaco Fields (AD 451).
Engagements by date
| Date | Engagement | Place | War |
|---|---|---|---|
| 20 June AD 451 | Battle of the Maureaco Fields | Catalaunian Plains | fall of the western Roman Empire |
| 20 June AD 712 | Battle of Aror | Indus River | Umayyad conquest of Sindh |
| 20 June 1180 | Battle of Uji | Uji | Genpei War |
| 20 June 1429 | Battle of Jargeau | Jargeau | Hundred Years' War |
| 20 June 1521 | Siege of Šabac | Šabac | |
| 20 June 1595 | Siege of Le Catelet | Le Catelet | Franco-Spanish War |
| 20 June 1622 | Battle of Höchst | Höchst | Thirty Years' War |
| 20 June 1624 | Battle of Martynów | Novii Martiniv | |
| 20 June 1638 | Battle of Kallo | Kallo | Eighty Years' War |
| 20 June 1756 | Siege of Calcutta | Kolkata | Bengal |
| 20 June 1779 | Battle of Stono Ferry | Charleston County, South Carolina | American Revolutionary War |
| 20 June 1780 | Battle of Ramsour's Mill | Lincolnton, North Carolina | American Revolutionary War |
| 20 June 1783 | Battle of Cuddalore | Pondicherry | American Revolutionary War |
| 20 June 1793 | Battle of Cap-Français | Cap-Haïtien | Haitian Revolution |
| 20 June 1799 | Second Battle of Marengo | Q748210 | |
| 20 June 1808 | Battle of Gerona | Girona | Peninsular War |
| 20 June 1808 | First Siege of Girona | Girona | Peninsular War |
| 20 June 1811 | Battle of Huaqui | La Paz Department | Bolivian War of Independence |
| 20 June 1811 | Battle of the Danube | Slobozia | Eighth Russo-Turkish War |
| 20 June 1815 | Battle of Thouars | Thouars | War in the Vendée |
| 20 June 1815 | Siege of Maubeuge | Maubeuge | |
| 20 June 1821 | Battle of Thessalonica | Thessaloniki | Greek War of Independence |
| 20 June 1838 | Battle of Peñacerrada | Peñacerrada-Urizaharra | First Carlist War |
| 20 June 1849 | Battle of Alsónyárasd | ||
| 20 June 1863 | Battle of LaFourche Crossing | Lafourche Parish, Louisiana | American Civil War |
| 20 June 1863 | Battle of Komorów | ||
| 20 June 1900 | Siege of the International Legations | Beijing Legation Quarter | Boxer Rebellion |
| 20 June 1919 | Raid on Bergama | Bergama | Greco-Turkish War |
| 20 June 1940 | Battle of Saumur | Saumur | |
| 20 June 1943 | New Georgia Campaign | New Georgia Islands | World War II |
| 20 June 1944 | Battle of Nerva Island | Gulf of Finland | Eastern Front |
| 20 June 1944 | Battle of la Truyère | Mont Mouchet | World War II |
Only engagements recorded to the day are listed. Dates before 1582 are Julian, as recorded.