Organized in July 1861, Buell's Independent Battery fought at Shiloh and in the Corinth siege.

After its name changed to Battery I, 1st Missouri Light Artillery Regiment in August 1862, it fought at Corinth, in operations supporting Streight's Raid, at Resaca, and at Rome Cross Roads before being assigned to the Nashville garrison.

1st Brigade, 3rd Division, District of West Tennessee, to March, 1862.

Artillery 2nd Brigade, 3rd Division, Army of the Mississippi, to August, 1862.

Expedition to Purdy and operations about Crump's Landing, Tenn., March 14–17.

Assigned to 1st Missouri Light Artillery as Battery "I," August, 1862.

[2] Original Battery disbanded January, 1862, having served at St. Louis, Mo.

Artillery, District of Corinth, Miss., 13th Army Corps (Old), Dept.

Artillery, District of Corinth, 17th Army Corps, to January, 1863.

Artillery, District of Corinth, 16th Army Corps, to March, 1863.

Dickson's Station, Lundy's Lane and Great Bear Creek April 17.

Operations in North Mississippi and West Tennessee against Chalmers October 4–17.

Relieved May 22, and ordered to Nashville, Tenn. Garrison duty there until June, 1865.