This Regiment was organized as a 90-day Regiment under the proclamation of 16 April 1861, with a numerical strength of 810 personnel, and left the state 9 June. It led the advance on Martinsburg, West Virginia participated in the battle of Falling Waters, Maryland and was mustered out Aug. 22, 1861.

The original organization of 810 lost 91 by death, desertion, transfer and discharge, and mustered out, 719.

The Regiment was then reorganized as a three year Regiment and mustered in 19 October numbering 945 personnel. Colonel Starkweather was placed in command of the 28th Brigade, Sept. 3, 1862, and Lieutenant Colonel Bingham was advanced to Colonel, Major Mitchell to Lieutenant ­Colonel, and Captain Donald C. McVean was appointed Major.

The Regiment participated in the battles of Perryville, Kentucky, Stone's River (Murfreesboro), Tennessee, Chickamauga and Missionary Ridge, Tennessee. It was mustered out Oct. 21, 1864.

The reorganization numbering 945, was increased by recruiting, drafting and reenlistment of veterans to 1,508; losses, by death, 235; by desertion, 57; by transfer, 47- by discharge, 298; mustered out, 871.