| 21st Connecticut Infantry Regiment | |
|---|---|
| Active | September 5, 1862 - June 16, 1865 |
| Country | United States |
| Allegiance | Union |
| Branch | Infantry |
| Engagements | Battle of Fredericksburg Burnside's "Mud March" Siege of Suffolk Battle of Drewry's Bluff Battle of Cold Harbor Siege of Petersburg Second Battle of Petersburg Battle of Chaffin's Farm Appomattox Campaign |
| Connecticut U.S. Volunteer Infantry Regiments 1861-1865 | ||||
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The 21st Connecticut Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War.