25th Regiment, Missouri Infantry (Union)

Organized as 13th Missouri Infantry June, 1861. Designation changed to 25th Missouri September, 1861. Attached to Dept. of Missouri to March, 1862. 1st Brigade, 6th Division, Army of the Tennessee, to July, 1862. 1st Brigade, 6th Division, District of Corinth, Miss., to September, 1862. 1st Brigade, 2nd Division, District of Southeast Missouri, Dept. of Missouri, to March, 1862. District of Northwest Missouri to June, 1863. New Madrid, Mo., District of Columbus, Ky., 6th Division, 16th Army Corps, Dept. of the Tennessee, to February, 1864.