on this day, 23 engagements
Battles fought on 12 June
23 engagements in the atlas were fought on 12 June between 1420 and 1971: 15 battles, 7 sieges and 1 naval action. Among them: Battle of Okehazama (1560).
Engagements by date
| Date | Engagement | Place | War |
|---|---|---|---|
| 12 June 1420 | Battle of Vítkov Hill | Vítkov | Hussite Wars |
| 12 June 1560 | Battle of Okehazama | Okehazama | Three Surprise Attacks of Japan |
| 12 June 1587 | Siege of Sluis | Sluis | Eighty Years' War |
| 12 June 1601 | Siege of Rheinberg | Rheinberg | Eighty Years' War |
| 12 June 1648 | Siege of Colchester | Colchester | Second English Civil War |
| 12 June 1648 | Battle of Mauchline Muir | Mauchline | Wars of the Three Kingdoms |
| 12 June 1697 | Siege of Barcelona | Barcelona | Nine Years' War |
| 12 June 1708 | Siege of Tortosa | Tortosa | War of the Spanish Succession in Catalonia |
| 12 June 1717 | Battle of Imbros | Imbros | Seventh Ottoman–Venetian War |
| 12 June 1758 | Battle of Rheinberg | Rheinberg | Seven Years' War |
| 12 June 1794 | Battle of Lambusart | Fleurus | War of the First Coalition |
| 12 June 1798 | Battle of Ballynahinch | Ballynahinch | Irish Rebellion of 1798 |
| 12 June 1799 | Battle of Modena | Modena | War of the Second Coalition |
| 12 June 1808 | Battle of Cabezón | Cabezón de Pisuerga | Peninsular War |
| 12 June 1817 | Siege of Soto la Marina | Soto la Marina Municipality | Mexican War of Independence |
| 12 June 1817 | Battle of Sopachuy | Argentine War of Independence | |
| 12 June 1837 | Battle of Gra | Gra | Royal Expedition |
| 12 June 1848 | Battle of Karlóca | ||
| 12 June 1868 | Siege of Samarkand | Samarkand | Russian conquest of Bukhara |
| 12 June 1873 | Battle of Oristà | Oristà | Third Carlist War |
| 12 June 1900 | Battle of Diamond Hill | Pretoria | Second Boer War |
| 12 June 1970 | Battle of Kompong Speu | Vietnam War | |
| 12 June 1971 | Battle of Kamalpur | Bangladesh Liberation War |
Only engagements recorded to the day are listed. Dates before 1582 are Julian, as recorded.