on this day, 19 engagements
Battles fought on 3 May
19 engagements in the atlas were fought on 3 May between 1241 and 1968: 15 battles, 3 sieges and 1 naval action. Among them: Battle of Tolentino (1815), Barcelona May Days (1937).
Engagements by date
| Date | Engagement | Place | War |
|---|---|---|---|
| 3 May 1241 | Battle of Giglio | Giglio | Gregorian Reform |
| 3 May 1382 | Battle of Beverhoutsveld | Bruges | |
| 3 May 1611 | Siege of Kalmar | Kalmar | Kalmar War |
| 3 May 1644 | Siege of Lincoln | Lincoln | First English Civil War |
| 3 May 1645 | Siege of Brno (1645) | Brno | Thirty Years' War |
| 3 May 1794 | Battle of Beignon | Beignon | French Revolution |
| 3 May 1800 | Battle of Stockach | Stockach | War of the Second Coalition |
| 3 May 1800 | Battle of Engen | Engen | War of the Second Coalition |
| 3 May 1809 | Battle of Ebelsberg | Linz | War of the Fifth Coalition |
| 3 May 1811 | Battle of Fuentes de Oñoro | Fuentes de Oñoro | Peninsular War |
| 3 May 1813 | Raid on Havre de Grace | Havre de Grace, Maryland | War of 1812 |
| 3 May 1815 | Battle of Tolentino | Tolentino | Neapolitan War |
| 3 May 1863 | Second Battle of Fredericksburg | Fredericksburg, Virginia | American Civil War |
| 3 May 1863 | Battle of Salem Church | Spotsylvania County, Virginia | American Civil War |
| 3 May 1864 | Skirmish in Doubtful Canyon | Doubtful Canyon, Arizona | Apache Wars |
| 3 May 1915 | Battle for Baby 700 | Gallipoli | World War I |
| 3 May 1937 | Barcelona May Days | Barcelona | Spanish Civil War |
| 3 May 1940 | Battle of Vinjesvingen | Vinjesvingen | World War II |
| 3 May 1968 | Battle of Dai Do |
Only engagements recorded to the day are listed. Dates before 1582 are Julian, as recorded.