Battles on 21 January

11 battles fought (or begun) on 21 January, from 1605 to 2016, 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 21 January?

The best-known battles on this day (by number of Wikipedia language editions) are Siege of Khe Sanh (1968), Battle of Marash (1920), Battle of Hanna (1916).

• Battle of Dobrynichi 21 January 1605Russia · Polish–Muscovite War
• Action off Pipli River 21 January 1644India · Dano-Mughal War
• Battle on Snowshoes (1757) 21 January 1757United States · French and Indian War
• Battle of Mollet 21 January 1810Spain · Peninsular War
• Battle of Moquegua 21 January 1823Peru · Spanish American wars of independence
• Battle of Hanna 21 January 1916Iraq · Mesopotamian campaign
• Battle of Marash 21 January 1920 – 13 February 1920Turkey · Franco-Turkish War
• Battle of Shekar Yazi 21 January 1920Iran · Simko Shikak revolt
• British capture of Tobruk 21 January 1941 – 22 January 1941Libya · World War II
• Siege of Khe Sanh 21 January 1968 – 9 July 1968Vietnam · Vietnam War
• Deir ez-Zor offensive (2016) 21 January 2016Syria · Syrian Civil War