7th Regiment Cavalry AKA River Regiment. Regiment organized at Ripley, Ohio, October, 1862, and duty there till December, 1862. First Battalion (A B C D Companies), ordered to Lexington, Ky., November 22, 1862, and duty there till December 21. 2nd Battalion ordered to Lexington, Ky., December 20, 1862, and 3rd Battalion to same point December 31, 1862. Attached to District of Central Kentucky, Dept. Ohio, to January, 1863. 2nd Brigade, District of Central Kentucky, to April, 1863. 1st Provisional Cavalry Brigade, 23rd Army Corps, Army Ohio, to June, 1863. 3rd Brigade, 1st Division, 23rd Army Corps, to August, 1863. 3rd Brigade, 4th Division, 23rd Army Corps, to November, 1863. 1st Brigade, 2nd Division, Cavalry Corps, Dept. Ohio, to May, 1864. 1st Brigade, Cavalry Division, District of Kentucky, 5th Division, 23rd Army Corps, to July, 1864. 1st Brigade, Cavalry Division, 23rd Army Corps, to August, 1864. Mounted Brigade, Cavalry Division, 23rd Army Corps, to September, 1864. 2nd Brigade, Cavalry Division, 23rd Army Corps, to November, 1864. 2nd Brigade, 6th Division, Wilson's Cavalry Corps, Military Division Mississippi, to December, 1864. 1st Brigade, 6th Division, Cavalry Corps, to February, 1865. 2nd Brigade, 4th Division, Cavalry Corps, to July, 1865.

Regimental Moderator/Historian: Kim Jeffery Torgler