Battles on 3 October

17 battles fought (or begun) on 3 October, from 1602 to 2009, 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 3 October?

The best-known battles on this day (by number of Wikipedia language editions) are Battle of Mogadishu (1993) (1993), Battle of Kamdesh (2009), Battle of Kos (1943) (1943).

• Battle of the Narrow Seas 3 October 1602 – 4 October 1602At sea · Eighty Years' War
• Action of 3 October 1624 3 October 1624Italy · Spanish–Algerian conflicts
• Battle of Wojnicz 3 October 1655Poland · Second Northern War
• Battle of Jouami' al-Ulama 3 October 1700Algeria · Tunisian-Algerian War of 1700
• Battle of Fort Slongo 3 October 1781United States · American Revolutionary War
• Battle of Fanfa 3 October 1836 – 4 October 1836Brazil · Farroupilha Revolution
• Battle of the Diablo Mountains 3 October 1854United States · Jicarilla War
• Battle of Greenbrier River 3 October 1861United States · American Civil War
• Second Battle of Corinth 3 October 1862 – 4 October 1862United States · American Civil War
• Battle of Miahuatlán 3 October 1866Mexico · Second French intervention in Mexico
• Battle of Coyotepe Hill 3 October 1912 – 4 October 1912Nicaragua · United States occupation of Nicaragua
• Battle of Polygon Wood 3 October 1917Belgium · Third Battle of Ypres
• Battle of Blanc Mont Ridge 3 October 1918 – 27 October 1918France · Western Front
• Battle of Kos (1943) 3 October 1943 – 4 October 1943Greece · Dodecanese Campaign
• Battle of Nghĩa Lộ (1951) 3 October 1951 – 10 October 1951Vietnam · First Indochina War
• Battle of Mogadishu (1993) 3 October 1993 – 4 October 1993Somalia · Somali Civil War
• Battle of Kamdesh 3 October 2009Afghanistan · War in Afghanistan (2001–2021)