Battles on 1 January

10 battles fought (or begun) on 1 January, from 1709 to 2010, 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 1 January?

The best-known battles on this day (by number of Wikipedia language editions) are Battle of Raate Road (1940), Battle of Koregaon (1818), Siege of Lankaran (1813).

• Battle of St. John's 1 January 1709Canada · Queen Anne's War
• Action of 1 January 1800 1 January 1800At sea · Quasi-War
• Battle of Castellón 1 January 1809Spain · Peninsular War
• Siege of Lankaran 1 January 1813 (Julian calendar)Russia · Russo-Persian War of 1804–13
• Battle of Koregaon 1 January 1818India · Third Anglo-Maratha War
• Battle of Castillejos 1 January 1860Morocco · Hispano-Moroccan War
• Battle of Galveston 1 January 1863United States · American Civil War
• Battle of Raate Road 1 January 1940 – 7 January 1940Finland · Winter War
• Battle of Uijeongbu (1951) 1 January 1951 – 4 January 1951South Korea · Korean War
• 2010 Eritrean–Ethiopian border skirmish 1 January 2010Eritrea · Second Afar Insurgency