Battles on 9 May

16 battles fought (or begun) on 9 May, from 1645 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 9 May?

The best-known battles on this day (by number of Wikipedia language editions) are Battle of Heligoland (1864) (1864), Siege of Pensacola (1781), Second Battle of Artois (1915).

• Battle of Auldearn 9 May 1645Scotland · Wars of the Three Kingdoms
• Battle of Pequawket 9 May 1725United States · Father Rale's War
• Battle at the Yadkin River 9 May 1771England · Regulator Movement
• Siege of Pensacola 9 May 1781 – 10 May 1781United States · American Revolutionary War
• Battle of Biberach (1800) 9 May 1800Germany · Switzerland in the Napoleonic era
• Battle of Resaca de la Palma 9 May 1846United States · Mexican-American War
• Second Battle of Dragoon Springs 9 May 1862United States · American Civil War
• Battle of Cloyd's Mountain 9 May 1864United States · American Civil War
• Battle of Heligoland (1864) 9 May 1864At sea · Second Schleswig War
• Battle of Swift Creek 9 May 1864United States · American Civil War
• Siege of Tashkent 9 May 1865 – 17 June 1865Uzbekistan
• Battle of Arras (1915) 9 May 1915France · World War I
• Battle of Aubers 9 May 1915France · Second Battle of Artois
• Second Battle of Artois 9 May 1915 – 18 June 1915France · Western Front
• Battle of Nanchang 9 May 1939China · Second Sino-Japanese War
• Siege of Srebrenica 9 May 1995 – 11 July 1995Bosnia and Herzegovina · War in Bosnia and Herzegovina