Organized at St. Louis, Mo., August 9 to November 5, 1861. Attached to Dept. of Missouri to February, 1862. 3rd Brigade, 2nd Division, District of Cairo, to February, 1862. 2nd Brigade, 2nd Division, Army of the Tennessee, to May, 1862.
SERVICE.--Ordered to Cairo, Ill., January 26, 1862. Reconnaissance from Smithland, Ky., toward Fort Henry, Tenn., January 31-February 2. Capture of Fort Henry, Tenn., February 6. Investment and capture of Fort Donelson, Tenn., February 11-16. Expedition to Clarksville and Nashville, Tenn., February 22-March 6. Moved to Pittsburg Landing, Tenn., March 14-17. Battle of Shiloh, Tenn.,, April 6-7. Advance on and siege of Corinth, Miss., April 29-May 30. Transferred to Ohio as the 22nd Ohio Volunteer Infantry May 29, 1862.