The 8th Tennessee Infantry was organized at Camp Dick Robinson and Camp Nelson, Kentucky beginning November 11, 1862 and mustered in for a three-year enlistment on April 18, 1862, under the command of Colonel Felix A. Reeve.
The regiment was attached to District of Central Kentucky, Department of the Ohio, to June 1863, 2nd Brigade, 4th Division, XXIII Corps, Army of the Ohio, to July 1863.
2nd Brigade, 1st Division, XXIII Corps, to August 1863.
2nd Brigade, 3rd Division, XXIII Corps, to September 1863.
2nd Brigade, Left Wing Forces, XXIII Corps, to January 1864.
1st Brigade, 3rd Division, XXIII Corps, Department of North Carolina, to June 1865.
The 8th Tennessee Infantry mustered out of service at Company Shops, North Carolina on June 30, 1865.
Burnside's Campaign in eastern Tennessee August 16-October 17.
Operations on line of Pumpkin Vine Creek and battles about Dallas, New Hope Church, and Allatoona Hills May 25-June 5.
Operations about Marietta and against Kennesaw Mountain June 10-July 2.
Pursuit of Hood to the Tennessee River December 17–28.
Movement to Washington, D.C., then to North Carolina January 15-February 9.
Duty at Raleigh and in the Department of North Carolina until June.