Battles on 18 September

18 battles fought (or begun) on 18 September, from 1643 to 1944, 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 18 September?

The best-known battles on this day (by number of Wikipedia language editions) are Battle of Doiran (1918) (1918), Battle of Castelfidardo (1860), Battle of Leuze (1691).

• Battle of Aldbourne Chase 18 September 1643England · First English Civil War
• Relief of Montgomery Castle 18 September 1644Wales · First English Civil War
• Battle of Bloody Brook 18 September 1675United States · King Philip's War
• Battle of Bhangani 18 September 1688India
• Battle of Leuze 18 September 1691Belgium · Nine Years' War
• Siege of Ciudad Rodrigo (1707) 18 September 1707 – 4 October 1707Spain · War of the Spanish Succession
• Siege of Darwar 18 September 1790 – 3 April 1791India · Third Anglo-Mysore War
• Battle of Coron (1793) 18 September 1793France · War in the Vendée
• Battle of Sprimont 18 September 1794Belgium · French Revolutionary Wars
• Second Battle of Kehl (1796) 18 September 1796Germany · French Revolutionary Wars
• Battle of Mannheim (1799) 18 September 1799Germany · War of the Second Coalition
• Battle of Palva Sund 18 September 1808Finland · Finnish War
• Battle of San Felasco Hammock 18 September 1836United States · Second Seminole War
• Battle of Castelfidardo 18 September 1860Italy · Piedmontese campaign in Central Italy
• Battle of Doiran (1918) 18 September 1918 – 19 September 1918North Macedonia · Macedonian Front
• Battle of Épehy 18 September 1918France · Hundred Days Offensive
• Battle of Wilno (1939) 18 September 1939 – 19 September 1939Lithuania · World War II
• Battle of Arracourt 18 September 1944 – 29 September 1944France · World War II