Organized at Milwaukee, Wis., and mustered in September 17, 1862. Left State for Washington, D. C., October 6, 1862. Attached to 2nd Brigade, 3rd Division, 11th Army Corps, Army of the Potomac, to October, 1863, and Army of the Cumberland, to April, 1864. 3rd Brigade, 3rd Division, 20th Army Corps, Army of the Cumberland, to June, 1865