Battles on 15 May

17 battles fought (or begun) on 15 May, from 1790 to 1992, 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 15 May?

The best-known battles on this day (by number of Wikipedia language editions) are Operation Schwarz (1943), Greek landing at Smyrna (1919), Battle of the Malacca Strait (1945).

• Battle of Fredrikshamn 15 May 1790Finland · Russo-Swedish War of 1788–1790
• Battle of Erbach 15 May 1800Germany · War of the Second Coalition
• Battle of Skellefteå 15 May 1809Sweden · Finnish War
• Siege of Mequinenza 15 May 1810 – 8 June 1810Spain · Peninsular War
• Battle of San Germano 15 May 1815 – 17 May 1815Italy · Neapolitan War
• Battle of Calatafimi 15 May 1860Italy · Unification of Italy
• Battle of Drewry's Bluff 15 May 1862United States · American Civil War
• Battle of Princeton Court House 15 May 1862 – 17 May 1862United States · American Civil War
• Battle of New Market 15 May 1864United States · American Civil War
• Greek landing at Smyrna 15 May 1919Turkey · Greco-Turkish War
• Battle of the Berezina (1920) 15 May 1920 – 8 June 1920Belarus · Polish–Soviet War
• Battle of La Horgne 15 May 1940France · World War II
• Operation Schwarz 15 May 1943 – 16 June 1943Bosnia and Herzegovina · World War II in Yugoslavia
• Battle of the Malacca Strait 15 May 1945 – 16 May 1945At sea · Pacific War
• Battle of Nirim 15 May 1948Israel · 1948 Arab–Israeli War
• Battle of Lira 15 May 1979Uganda
• 1992 Yugoslav People's Army column incident in Tuzla 15 May 1992Bosnia and Herzegovina · War in Bosnia and Herzegovina