Twelfth Cavalry. — Col., Oliver Wells; Lieut.-Cols., Oliver Wells, R. H. Brown; Majs., R. H. Brown, J.-M. Hubbard, E. D. Nash, Levi Pritchard, A. J. Hughes.
The organization of this regiment was completed on March 23, 1864, and two days later was assigned to duty in the city of St. Louis by Maj.-Gen. Rosecrans, commanding the department. On June 1, 1864, it received orders to report to Gen. Washburne at Memphis, Tenn., where it was assigned to the 1st cavalry division, under Gen. Hatch.
In Nov-Dec 1864 it was part of the 1st Brigade, 5th Division, Cavalry Corps, Military Division of the Mississippi.
It then remained in camp at Clifton, Tenn., until Oct. 27, when it was ordered to move to Pulaski, in order to engage the Confederate forces under Gen. Hood. Hatch struck Hood’s army on Nov. 8, and from that time until the 19th, was engaged in daily skirmishing, in which the 12th Mo. bore an active part.