Battles on 23 September

17 battles fought (or begun) on 23 September, from 1642 to 2012, 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 23 September?

The best-known battles on this day (by number of Wikipedia language editions) are Battle of Dakar (1940), Battle of Assaye (1803), Siege of Tripolitsa (1821).

• Battle of Powick Bridge 23 September 1642England · First English Civil War
• Siege of the Acropolis (1687) 23 September 1687 – 29 September 1687Greece · Morean War
• Siege of Arcot 23 September 1751 – 14 November 1751India · Second Carnatic War
• Battle of Stołowicze 23 September 1771Belarus · Bar Confederation
• Battle of Flamborough Head 23 September 1779England · American Revolutionary War
• Battle of Killala 23 September 1798Ireland · Irish Rebellion of 1798
• Battle of Assaye 23 September 1803India · Second Anglo-Maratha War
• Siege of Tripolitsa 23 September 1821Greece · Greek War of Independence
• Battle of Wood Lake 23 September 1862United States · Dakota War of 1862
• Battle of Sulphur Creek Trestle 23 September 1864 – 25 September 1864United States
• Battle of Mount Csindrel 23 September 1916Romania
• Battle of Haifa (1918) 23 September 1918Israel · Middle Eastern theater of World War I
• Battle of Krasnobród (1939) 23 September 1939Poland · World War II
• Battle of Dakar 23 September 1940 – 25 September 1940Senegal · World War II
• Actions along the Matanikau 23 September 1942 – 9 October 1942Solomon Islands · Guadalcanal campaign
• Battle of Newry Road 23 September 1993Northern Ireland · The Troubles
• Siege of Abu al-Duhur Airbase 23 September 2012Syria · Syrian Civil War