18th Regiment, Missouri Infantry (Union)

Organized at Laclede, Mo., July to November, 1861. Attached to District of St. Louis, Dept. of Missouri, to March, 1862. 2nd Brigade, 6th Division, Army of the Tennessee, to July, 1862. 2nd Brigade, 6th Division, District of Corinth, Miss., to November, 1862. 2nd Brigade, 6th Division, District of Corinth, 13th Army Corps (Old), Dept. of the Tennessee, November, 1862. 3rd Brigade, District of CorInth, 13th Army Corps, to December, 1862. 3rd Brigade, District of Corlnth, 17th Army Corps, to January, 1863. 3rd Brigade, District of Corinth, 16th Army Corps, to March, 1863. 3rd Brigade, 2nd Division, 16th Army Corps, to November, 1863. Fuller's Brigade, 2nd Division, 16th Army Corps, to January, 1864. 3rd Brigade, 2nd Division, 16th Army Corps, to March, 1864. 1st Brigade, 4th Division, 16th Army Corps, to September, 1864. 1st Brigade, 1st Division, 17th Army Corps, to July, 1865.