Battles on 3 May

17 battles fought (or begun) on 3 May, from 1611 to 1995, in date order. Dates are from Wikidata and are shown only for battles from 1600 onwards with a single exact date. Dates recorded in the Julian (Old Style) calendar are listed under their Julian day and marked.

Which battles happened on 3 May?

The best-known battles on this day (by number of Wikipedia language editions) are Operation Flash (1995), Battle of Tolentino (1815), May Days (1937).

• Siege of Kalmar 3 May 1611 – 3 August 1611Sweden · Kalmar War
• Siege of Lincoln 3 May 1644 – 6 May 1644England · First English Civil War
• Siege of Brno 3 May 1645 – 23 August 1645Czechia · Thirty Years' War
• Battles of Stockach and Engen 3 May 1800Switzerland · War of the Second Coalition
• Battles of Stockach and Engen 3 May 1800Germany · War of the Second Coalition
• Battle of Ebelsberg 3 May 1809Austria · War of the Fifth Coalition
• Battle of Fuentes de Oñoro 3 May 1811 – 5 May 1811Spain · Peninsular War
• Raid on Havre de Grace 3 May 1813United States · War of 1812
• Battle of Tolentino 3 May 1815Italy · Neapolitan War
• Battle of Salem Church 3 May 1863 – 4 May 1863United States · American Civil War
• Second Battle of Fredericksburg 3 May 1863United States · American Civil War
• Skirmish in Doubtful Canyon 3 May 1864United States · Apache Wars
• Battle for Baby 700 3 May 1915Turkey · Gallipoli Campaign
• May Days 3 May 1937 – 8 May 1937Spain · Spanish Civil War
• Battle of Vinjesvingen 3 May 1940 – 5 May 1940Norway · World War II
• Battle of Dai Do 3 May 1968Vietnam
• Operation Flash 3 May 1995Croatia · Croatian War of Independence