20th Connecticut Infantry Regiment

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20th Connecticut Volunteer Infantry
Monument to the regiment at Gettysburg
Active	1862–1865
Disbanded	13 June 1865
Country	United States
Allegiance	Union
Branch	Union Army
Type	Infantry
Size	Regiment
Equipment	1861 Springfield
Engagements	American Civil War Battle of Chancellorsville Battle of Gettysburg Buzzard's Roost Gap Boyd's Trail Battle of Resaca Battle of Adairsville Battle of Peachtree Creek Siege of Atlanta Sherman's March to the Sea Battle of Bentonville
Commanders
Notable commanders	Colonel Samuel Ross Lt. Col. William Wooster

The 20th Connecticut Infantry Regiment was an infantry regiment of the Union Army during the American Civil War. Formed in July 1862, the regiment served in both the eastern and western theaters until it was disbanded after the war ended.