December 25-January 16 Organized at Camp Stanton, Md.
January Duty at Camp Stanton, Benedict, Md.
March At Camp Birney
April Attached to 2nd Brigade, 4th Division, 9th Corps, Army of the Potomac
May and June Campaign from the Rapidan to the James River, Va. Guard trains through the Wilderness.
June 15-18 First Assault onĀ Petersburg
June 16-April 2 Siege operations against Petersburg and Richmond, Va.
July 30 Mine Explosion, Petersburg
August 18-21 Weldon Railroad
September Attached to 2nd Brigade, 3rd Division, 9th Corps
September 28 Fort Sedgwick
September 29-30 Poplar Grove Church
October 27-28 Hatcher’s Run
November 17-18 Actions on the Bermuda Hundred front
December Duty at Bermuda Hundred attached to 3rd Brigade, 3rd Division, 25th Corps
January Assigned to 3rd Brigade, 1st Division, 25th Corps
March 28-April 9 Appomattox Campaign
March 29-31 Hatcher’s Run
April 2 Assault and capture of Petersburg
April 3-9 Pursuit of Lee
April 9
Appomattox Court House

Surrender of Lee and his army.

April-June Duty at Petersburg and City Point
June 13-July 3 Moved to Texas
July Duty at Brownsville and on the Rio Grande, Texas
1866 Duty at Brownsville and on the Rio Grande, Texas
January 15 Mustered out