Organized at Evansville, Ind., and mustered in August 19, 1861. Moved to St. Louis, Mo., August 26; thence to Jefferson City, Mo., September 14; thence to Georgetown, Mo. Attached to Army of the West and Dept. of Missouri to December, 1861. St. Louis, Mo., to February, 1862. 4th Brigade, 2nd Division, Military District of Cairo, February, 1862. 2nd Brigade, 4th Division, Army of the Tennessee, to July, 1862. 2nd Brigade, 4th Division, District of Memphis, Tenn., to September, 1862. 2nd Brigade, 4th Division, District of Jackson, Tenn., to November, 1862. 3rd Brigade, 4th Division, Right Wing 13th Army Corps (Old), Dept. of the Tennessee, to December, 1862. 3rd Brigade, 4th Division, 17th Army Corps, Army of the Tennessee, to January, 1863. District of Memphis, Tenn., 16th Army Corps, to March, 1863. 2nd Brigade, District of Memphis, 5th Division, 16th Army Corps, to December, 1863. 3rd Brigade, Cavalry Division, 16th Army Corps, to January, 1864. 2nd Brigade, 4th Division, 16th Army Corps, to March, 1864. 3rd Brigade, 4th Division, 16th Army Corps, to September, 1864. 3rd Brigade, 1st Division, 17th Army Corps, to July, 1865.