5th Regiment Cavalry. Regiment originally organized at Camp Dick Corwin, near Cincinnati, Ohio, October 23-November 14, 1861, as 2nd Ohio Cavalry. Designation changed by Gov. Dennison November, 1861. Duty at Camp Dick Corwin till November 5, 1861, and at Camp Dennison, Ohio, till March, 1862. Ordered to Paducah, Ky. 2nd Battalion left Cincinnati, Ohio, February 28, and 1st and 3rd Battalions on March 1, 1862. Attached to District of Paducah, Ky., March, 1862. Sherman's 5th Division, Army of the Tennessee, to April, 1862. 1st and 2nd Battalions attached to 4th Division, Army of the Tennessee, to July, 1862. District of Memphis, Tenn., to September, 1862. District of Jackson, Tenn., to November, 1862. Lee's 2nd Brigade, Cavalry Division, 13th Army Corps (Old), Dept. of the Tennessee, to December, 1862. Lee's 2nd Brigade, Cavalry Division, 16th Army Corps, to March, 1863. 2nd Brigade, 1st Cavalry Division, 16th Army Corps, to April, 1863. 4th Brigade, 5th Division, District of Memphis, Tenn., 16th Army Corps, to August, 1863. 2nd Brigade, 1st Cavalry Division, 16th Army Corps, to October, 1863. 3rd Battalion (Cos. "E," "H," "I" and "K") attached to 3rd Division, Army Tennessee, April, 1862. 2nd Division, Army Tennessee, to July, 1862, 2nd Division, District of Corinth, Miss., to November, 1862. Unattached Cavalry, District of Corinth, Miss., 13th Army Corps (Old), Dept. Tennessee, to December, 1862. District of Corinth, Miss., 16th Army Corps, to March, 1863. Cavalry Brigade, 2nd Division, District of Corinth, 16th Army Corps, to May, 1863. 3rd Brigade, 1st Cavalry Division, 16th Army Corps, to August, 1863. 2nd Brigade, 1st Cavalry Division, 16th Army Corps, to October, 1863. Regiment attached to Headquarters 15th Army Corps October, 1863, to April, 1864. Cavalry, 3rd Division, 15th Army Corps, to October, 1864. 2nd Brigade, Kilpatrick's 3rd Division, Cavalry Corps, Military Division Mississippi, to January, 1865. 3rd Brigade, 3rd Cavalry Division, to June, 1865. Dept. of North Carolina to October, 1865.