Battles on 20 October

20 battles fought (or begun) on 20 October, from 1600 to 2020, 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 20 October?

The best-known battles on this day (by number of Wikipedia language editions) are Battle of Navarino (1827), First Battle of Kharkov (1941), Battle of Ulm (1805).

• Battle of Kuisegawa 20 October 1600Japan
• Capture of Mannheim 20 October 1622 – 2 November 1622Germany · Palatinate campaign
• Battle of Annan Moor 20 October 1645 – 21 October 1645Scotland · Wars of the Three Kingdoms
• Battle of Clausen 20 October 1735Germany · War of the Polish Succession
• Action of 20 October 1778 20 October 1778Spain · Anglo-French War of 1778–1783
• Battle of Cape Spartel 20 October 1782At sea · American Revolutionary War
• Action of 20 October 1793 20 October 1793France · French Revolutionary Wars
• Battle of Saint-Raphaël 20 October 1794 – 21 October 1794Haiti · War of the Pyrenees
• Battle of Ulm 20 October 1805Germany · Napoleonic Wars
• Battle of Navarino 20 October 1827Greece · Greek War of Independence
• Battle of Philadelphia 20 October 1863United States
• Battle of Rybnica 20 October 1863Poland · January Uprising
• Battle of Talana Hill 20 October 1899South Africa · Second Boer War
• First Battle of Edea 20 October 1914 – 26 October 1914Cameroon · Kamerun campaign
• Battle of the Lys and the Escaut 20 October 1918 – 11 November 1918Belgium · Battle of Courtrai
• First Battle of Kharkov 20 October 1941 – 24 October 1941Ukraine · Eastern Front
• Battle of Pyongyang (1950) 20 October 1950North Korea · Korean War
• Battle of Kupres (1994) 20 October 1994 – 3 November 1994Bosnia and Herzegovina · War in Bosnia and Herzegovina
• Second Gulf of Sidra offensive 20 October 2011At sea · Libyan Civil War
• 2020 Kangbayi prison break 20 October 2020Democratic Republic of the Congo