Organized at Racine, Wis., and mustered in October 18, 1862. Left State for Memphis, Tenn., November 12. Attached to Reserve Brigade, District of Memphis, Tenn., 13th Army Corps (Old), Dept. of the Tennessee, to December, 1862. 1st Brigade, 4th Division, 17th Army Corps, Army of the Tennessee, to January, 1863. 1st Brigade, 4th Division, 16th Army Corps, to July, 1863. 1st Brigade, 4th Division, 13th Army Corps, to August, 1863. 1st Brigade, 4th Division, 17th Army Corps, to March, 1864. 1st Brigade, Provisional Division, 17th Army Corps, Dept. of the Gulf, to June, 1864. Detached Brigade, 17th Army Corps, and 4th Brigade, 1st Division, 16th Army Corps, to December, 1864. 1st Brigade, 3rd Division, Detachment Army of the Tennessee, Dept. of the Cumberland, to February, 1865. 1st Brigade, 3rd Division, 16th Army Corps (New), Military Division West Mississippi, to August, 1865.