120th Ohio Infantry Regiment

The regiment first served unattached, Army of Kentucky, Department of the Ohio, to November 1862.

1st Brigade, 9th Division, Right Wing, XIII Corps, Department of the Tennessee, to December 1862.

1st Brigade, 3rd Division, Sherman's Yazoo Expedition, to January 1863.

1st Brigade, 9th Division, XIII Corps, Army of the Tennessee, to July 1863.

2nd Brigade, 3rd Division, XIX Corps, Department of the Gulf, to August 1864.

Moved to Cincinnati, Ohio, October 25; then to Covington, Ky., and duty there until November 24.

Assault and capture of Fort Hindman, Arkansas Post, January 10–11.

Movement on Bruinsburg and turning Grand Gulf April 25–30.

Duty at Carrollton until September 3, and at Brashear City until October 3.

Ordered to join Banks at Alexandria on Red River Expedition May 1.