Battles on 20 December

13 battles fought (or begun) on 20 December, from 1644 to 1944, 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 December?

The best-known battles on this day (by number of Wikipedia language editions) are First Battle of Champagne (1914), Siege of Bastogne (1944), Battle of Gadebusch (1712).

• Siege of Dansborg (1644) 20 December 1644 – 30 December 1644India
• Battle of Gadebusch 20 December 1712Germany · Great Northern War
• Battle of the Delaware Capes 20 December 1782 – 21 December 1782United States · American Revolutionary War
• Siege of Zaragoza (1809) 20 December 1808 – 20 February 1809Spain · Peninsular War
• Battle of Berea 20 December 1852Lesotho · Eighth Xhosa War
• Battle of Dranesville 20 December 1861United States · American Civil War
• Second Battle of Saltville 20 December 1864 – 21 December 1864United States · American Civil War
• Battle of Bronkhorstspruit 20 December 1880South Africa · First Boer War
• Capture of Korytsa 20 December 1912Albania · First Balkan War
• First Battle of Champagne 20 December 1914 – 17 March 1915France · Western Front
• Battle of Jaffa (1917) 20 December 1917 – 21 December 1917Israel · Sinai and Palestine Campaign
• Battle of Ortona 20 December 1943 – 28 December 1943Italy · Moro River Campaign
• Siege of Bastogne 20 December 1944 – 27 December 1944Belgium · Battle of the Bulge