on this day, 25 engagements
Battles fought on 12 May
25 engagements in the atlas were fought on 12 May between 1082 and 1968: 22 battles, 2 sieges and 1 naval action. Among them: Second Battle of Kharkov (1942), Battle of Hannut (1940).
Engagements by date
| Date | Engagement | Place | War |
|---|---|---|---|
| 12 May 1082 | Battle of Mailberg | Mailberg | |
| 12 May 1385 | Battle of L'Écluse | ||
| 12 May 1468 | Battle of Třebíč | Třebíč | Bohemian–Hungarian War (1468–1478) |
| 12 May 1525 | Battle of Böblingen | Böblingen | German Peasants' War |
| 12 May 1646 | Siege of Lérida | Lleida | Reapers' War |
| 12 May 1647 | Siege of Lleida | Lleida | Reapers' War |
| 12 May 1649 | Battle of Focchies | Foça district | Cretan War of 1645-1669 |
| 12 May 1793 | Second Battle of Port-Saint-Père | ||
| 12 May 1799 | Battle of Bassignana | Bassignana | |
| 12 May 1809 | Second Battle of Porto | Porto | Peninsular War |
| 12 May 1809 | Battle of Waidring | Waidring | |
| 12 May 1821 | Battle of Valtetsi | Valtetsi | Greek War of Independence |
| 12 May 1840 | Battle of Teniah de Mouzaïa | Mouzaïa | French conquest of Algeria |
| 12 May 1858 | Battle of Little Robe Creek | Oklahoma | Comanche Wars |
| 12 May 1860 | First Battle of Pyramid Lake | Nixon, Nevada | Paiute War |
| 12 May 1863 | Battle of Raymond | Hinds County, Mississippi | American Civil War |
| 12 May 1864 | Battle of Proctor's Creek | Chesterfield County, Virginia | American Civil War |
| 12 May 1864 | Battle of Meadow Bridge | Henrico County, Virginia | American Civil War |
| 12 May 1940 | Battle of Hannut | Hannut | World War II |
| 12 May 1940 | Battle of the Afsluitdijk | Afsluitdijk | World War II |
| 12 May 1942 | Second Battle of Kharkov | Kharkiv | Eastern Front |
| 12 May 1943 | Battle of West Hubei | Hubei | Second Sino-Japanese War |
| 12 May 1968 | Battle of Coral–Balmoral | Vietnam War | |
| 12 May 1968 | Battle of South Saigon | District 8 | |
| 12 May 1968 | Battle of West Saigon | Ho Chi Minh City |
Only engagements recorded to the day are listed. Dates before 1582 are Julian, as recorded.