11th Connecticut Infantry Regiment The 11th Connecticut Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War . Service . The 11th Connecticut Infantry was organized at Hartford , Connecticut beginning October 24 , 1861 and mustered in for a three - year enlistment on November 14 , 1861 . The regiment was attached to Williams ' Brigade , Burnside ' s Expeditionary Corps , to April 1862 . 2nd Brigade , 2nd Division , Department of North Carolina , to July 1862 . 2nd Brigade , 3rd Division , IX Corps , Army of the Potomac , to April 1863 . 2nd Brigade , 2nd Division , VII Corps , Department of Virginia , to July 1863 . 2nd Brigade , Getty ' s Division , Portsmouth , Virginia , Department of Virginia and North Carolina , to October 1863 . Yorktown , Virginia , Department of Virginia and North Carolina , to April 1864 . 2nd Brigade , 2nd Division , XVIII Corps , Department of Virginia and North Carolina , to October 1864 . Provisional Division , Army of the James , to December 1864 . 1st Brigade , 3rd Division , XXIV Corps , Department of Virginia , to July 1865 . 1st Independent Brigade , XXIV Corps to August 1865 . Department of Virginia to December 1865 . The 11th Connecticut Infantry mustered out of service December 21 , 1865 . Detailed service . Left Connecticut for Annapolis , Md . , December 16 , and duty there until January 6 , 1862 . Burnside ' s expedition to Hatteras Inlet and Roanoke Island , N . C . , January 7 – February 8 , 1862 . Battle of Roanoke Island February 8 . At Roanoke Island until March 11 . Moved to New Bern March 11 – 13 . Battle of New Bern March 14 . Duty at Newberne until July . Moved to Morehead City July 2 , then to Newport News , Va . , July 3 – 5 . Duty there until August 1 . Moved to Fredericksburg August 1 – 6 , and duty there until August 31 . Moved to Brooks ' Station , then to Washington , D . C . , August 31 – September 3 . Maryland Campaign September – October . Battle of South Mountain September 14 . Battle of Antietam September 16 – 17 . Duty at Pleasant Valley , Md . , until October 27 . Movement to Falmouth , Va . , October 27 – November 19 . Battle of Fredericksburg , Va . , December 12 – 15 . Burnside ' s 2nd Campaign , " Mud March , " January 20 – 24 , 1863 . Moved to Newport News , Va . , February 6 – 9 , then to Suffolk March 13 . Siege of Suffolk April 12 – May 4 . Edenton Road April 24 . Providence Church Road and Nansemond River May 3 . Siege of Suffolk raised May 4 . Reconnaissance to the Chickahominy June 9 – 16 . Dix ' s Peninsula Campaign June 24 – July 7 . Expedition from White House to South Anna River July 1 – 7 . Moved to Portsmouth , Va . , and duty there until October . Moved to Gloucester Point October 1 and duty there until April 1864 . Butler ' s operations on south side of the James River and against Petersburg and Richmond May 4 – 28 . Occupation of Bermuda Hundred , Va . , May 5 . Port Walthal Junction , Chester Station , May 7 . Swift Creek or Arrowfield Church May 9 – 10 . Operations against Fort Darling May 12 – 16 . Battle of Drewry ' s Bluff May 12 – 16 . On Bermuda Hundred front May 17 – 27 . Moved to White House , then to Cold Harbor May 27 – 31 . Battles about Cold Harbor June 1 – 12 . Before Petersburg June 15 – 18 . Siege operations against Petersburg and Richmond June 16 , 1864 to April 2 , 1865 . Mine explosion Petersburg July 30 , 1864 ( reserve ) . On Bermuda Hundred front August 25 to December , and on north side of the James River before Richmond until April 1865 . Occupation of Richmond April 3 . Duty at Richmond and Lynchburg , Va . , until December . Casualties . The regiment lost a total of 325 men during service ; 8 officers and 140 enlisted men killed or mortally wounded , 1 officer and 176 enlisted men died of disease .