Organized in Missouri at large, September 1861. Moved to Macon City, Mo., October 15, 1861, thence to Chillicothe, Mo., November 1. Attached to Department of Missouri to March, 1862. St. Louis, Mo., Dept. of Missouri, to April 1862. Unattached, 6th Division, Army of the Tennessee, to April 1862. District of St. Louis, Mo., Department of Missouri until June 1863. District of Rolla, Department of Missouri to December 1863. Unattached, District of Nashville Tenn., Dept. of the Cumberland, to January, 1864. 2nd Brigade, Rousseau’s Division, 12th Army Corps, Dept. Of the Cumberland, to April, 1864. Unassigned, 4th Division, 20th Army Corps, Dept. Of the Cumberland, to July, 1864. 1st Brigade, 3rd Division, 14th Army Corps, to July, 1865.

SERVICE: - Duty at Chillicothe, Mo., November, 1861, to March, 1862, and St. Louis Mo., till April. Moved to Pittsburgh Landing, Tenn., April 1-4. BATTLE OF SHILOH , Tenn., April 6. Regiment captured April 6. Duty at St. Louis, Mo., till August, 1862; at Macon till November, 1862: at Hudson, Mo., till December 1862, and in Central District of Missouri. Company "A" at Gasconade, Company "D" at Osage City, Company "I" at St. Auberts; rest at Prairie City, District of St. Louis, December, 1862, to July, 1863. Operations against Marmaduke April 14-May 2, 1863. CAPE GIRARDEAU CAMPAIGN April 26. Ordered to Rolla July 5, 1863. Duty in District of Rolla till December, 1863. (Co. "A" ordered to Cape Girardeau July 5, 1863.) Operations against Shelby October 7-22. Ordered to Nashville, Tenn., December, 1863. Duty at Nashville and McMinnville and guarding Nashville & Chattanooga Railroad till July, 1864. White County January 16, 1864. Joined 1st Brigade, 3rd Division, 14th Army Corps, July 10, 1864. THE ATLANTA CAMPAIGN (Ga.) July 10 to September 8. Chattahoochie River July 10-17. BATTLE OF PEACH TREE CREEK July 19-20. BATTLE OF ATLANTA July 22-August 25. Flank movement on Jonesboro August 25-30. BATTLE OF JONESBORO August 31-September 1. Operations in North Georgia and North Alabama against Forest and Hood September 29-November 3. MARCH TO THE SEA,  November 15-December 10. Near Milledgeville November 23. Siege of Savannah December 10-21.  Campaign of the Carolinas January to April, 1865. Fayette, NC March 11. BATTLE OF BENTONVILLE March 19-21. Occupation of Goldsboro March 24. Advance on Raleigh April 10-14. Occupation of Raleigh April 14.  Bennet’s House April 26. Surrender of Johnson and his army. March to Washington D.C., via Richmond , Va., April 29-May 17. Grand Review, May 24. Moved to Louisville, Ky., June, and duty there till July. Mustered out July 18, 1865.

Regiment lost during service 2 officers and 57 enlisted men killed and mortally wounded and 4 officers and 173 enlisted men by disease. Total 236.