4th Regiment, Missouri Cavalry (Union)

Organized February, 1862, by consolidation of Fremont Hussars and three Companies Hollan Horse. Attached to 3rd Brigade, Army of Southwest Missouri, Dept. of Missouri, to March, 1862. Cavalry, 2nd Division, Army of Southwest Missouri, Dept. of Missouri, to May, 1862. Cavalry 3rd Division, Army of Southwest Missouri, to July, 1862. District of Eastern Arkansas, Dept. of Missouri, to October, 1862. Cavalry Brigade, Army of Southeast Missouri, Dept. of Missouri, till April, 1863. District of Columbus, Ky., 6th Division, 16th Army Corps, Dept. of Tennessee, to December, 1863. Waring's Detached Brigade, Dist. of Columbus, to January, 1864. 1st Brigade, 1st Cavalry Division, 16th Army Corps, to June, 1864. 1st Brigade, Cavalry Division, Sturgis' Expedition, June, 1864. 1st Brigade, 2nd Cavalry Division, Dist. of West Tennessee, to December, 1864. 1st Brigade, Cavalry Division, District of West Tennessee, to June, 1865. 2nd Brigade, 2nd Division Cavalry Corps, Military Division West Mississippi, and Dept. of Texas to November, 1865