The 23rd Regiment United States Colored Troops lost 4 officers and 82 enlisted men killed or mortally wounded and 1 officer and 165 enlisted men to disease during the Civil War.

November 23-
June 30
Organized at Camp Casey, Va.
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. Guarding wagon trains Army of the Potomac through the Wilderness.
June 15-18 First Assault onĀ Petersburg
June 16 –
April 2
Siege of Petersburg and Richmond
July 30 Mine Explosion, Petersburg
August 18-21 Weldon Railroad
September Assigned to 2nd Brigade, 3rd Division, 9th Corps
September 28 Fort Sedgwick
September 29-30 Poplar Grove Church
October 27-28 Boydton Plank Road, Hatcher’s Run
December 13 Bermuda Hundred
December Duty on the Bermuda Hundred front assigned to 3rd Brigade, 3rd Division, 25th Corps
March 28-April 9 Appomattox Campaign
March 29-31 Hatcher’s Run
April 2 Fall of Petersburg
April 3-9 Pursuit of Lee
April 9
Appomattox Court House

Surrender of Lee and his army.

April-May Duty in Dept. of Virginia
May-June Moved to Texas
June-November Duty at Brownsville and along the Rio Grande, Texas assigned to Dept. of Texas
November 30 Mustered out