21st Missouri Infantry Regiment
The 21st Missouri Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War. History. The 21st Missouri Infantry Regiment was organized February 1, 1862, from 1st and 2nd Northeast Regiments of the Missouri Infantry. It was attached to the Department of Missouri in March, 1862 the 1st Brigade, 6th Division, Army of Tennessee, to July, 1862, 1st Brigade, 6th Division, District of Corinth, Miss., to November, 1862. 1st Brigade, 6th Division, Left Wing 13th Army Corps (Old), Department of Tennessee, to December, 1862. District of Columbus, Ky., 16th Army  Corps, Department of the Tennessee, to May, 1863. 4th Brigade, District of Memphis, Tenn., 5th Division, 16th Army Corps, to January, 1864. 1st Brigade, 3rd Division, 16th Army Corps, to December, 1864. 1st Brigade, 2nd Division, Detachment Army of the Tennessee, Department of the Cumberland, to February, 1865. 1st Brigade, 2nd Division, 16th Army Corps (New), Military Division West Mississippi, to August, 1865. Department of Alabama to April, 1866. Casualties. The Regiment lost during service 2 Officers and 68 Enlisted men killed and mortally wounded and 5 Officers and 234 Enlisted men by disease.