Battles on 1 May

18 battles fought (or begun) on 1 May, from 1648 to 1966, 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 1 May?

The best-known battles on this day (by number of Wikipedia language editions) are Battle of Manila Bay (1898), Siege of Candia (1648), Battle of Pułtusk (1703) (1703).

• Siege of Candia 1 May 1648 – 27 September 1669Greece · Cretan War of 1645-1669
• Siege of Philippsburg (1676) 1 May 1676 – 17 September 1676Germany · Franco-Dutch War
• Battle of Pułtusk (1703) 1 May 1703Poland · Great Northern War
• Battle of Crooked Billet 1 May 1778United States · American Revolutionary War
• Second Battle of Tucson 1 May 1782United States · Apache–Mexico Wars
• Maratha–Mysore wars 1 May 1786 – 20 May 1786India
• Battle of Scapezzano 1 May 1815Italy · Neapolitan War
• Battle of Clark's House 1 May 1862United States · Shenandoah Valley Campaign
• Battle of Kobylanka 1 May 1863 – 6 May 1863Poland · January Uprising
• Battle of Port Gibson 1 May 1863United States · American Civil War
• Battle of Anderson 1 May 1865United States · American Civil War
• Battle of Manila Bay 1 May 1898Philippines · Spanish–American War
• Action off Noordhinder Bank 1 May 1915At sea · World War I
• Battle of Lahti 1 May 1918Finland · Finnish Civil War
• Battle of Zaoyang–Yichang 1 May 1940 – 18 June 1940China · Second Sino-Japanese War
• Battle of Elephant Point 1 May 1945Myanmar · Operation Dracula
• Battle of Dong-Yin 1 May 1965At sea · Chinese Civil War
• Battle of Mount Handrin 1 May 1966Iraq · First Kurdish–Iraqi War