Organized at Camp Butler, Ill., and mustered in August 19, 1861. Ordered to Cairo, Ill., September 4, 1861. Attached to District of Cairo to October, 1861. 1st Brigade, District of Cairo, to February, 1862. 1st Brigade, 1st Division, District of Cairo, February, 1862. 1st Brigade, 1st Division, District of West Tennessee, to March, 1862. 3rd Brigade, 1st Division, Army of the Tennessee, to July, 1862. 3rd Brigade, 1st Division, District of Jackson, Tenn., to September, 1862. 2nd Brigade, 1st Division, District of Jackson, to November, 1862. District of Jackson, 13th Army Corps (Old), Department of the Tennessee, to December, 1862. 1st Brigade, District of Jackson, 16th Army Corps, December, 1862. 1st Brigade, 3rd Division, 17th Army Corps, Army of the Tennessee, July to December, 1863. Post of Natchez, Miss., District of Vicksburg, Miss., to October, 1864. Paducah, Ky., to November, 1864. Memphis, Tenn., District of West Tennessee, to January, 1865. 1st Brigade, Reserve Corps, Military Division West Mississippi, to February, 1865. 3rd Brigade, 1st Division, Reserve Corps, Military Division West Mississippi, February, 1865. 3rd Brigade, 1st Division, 13th Army Corps (New), Military Division West Mississippi, to July, 1865. Department of Texas to November, 1865.
Duty at Cairo, Ill., September, 1861, to February, 1862. Expedition to Bloomfield, Mo., October 22-24, 1861. Expedition against Thompson's Forces, November 2-12. Reconnoissance of Columbus, Ky., January 16-22, 1862. Operations against Fort Henry, Tenn., February 2-6. Capture of Fort Henry February 6.
Investment and capture of Fort Donelson, Tenn., February 12-16. Moved to Savannah, thence to Pittsburg Landing, Tenn., March 5-25. Battle of Shiloh, Tenn., April 6-7.
Advance on and siege of Corinth, Miss., April 29-May 30. March to Jackson, Tenn., June 5-8, and duty there till November. Expedition to Bolivar and Brownsville July 27-August 13. March to relief of Corinth and pursuit to Ripley, Miss., October 3-12. Actions at Chewalla and Big Hill October 5. Grant's Central Mississippi Campaign November 2 to December 20. Surrendered at Holly Springs, Miss., December 20, 1862. Paroled and sent to Benton Barracks, Mo. Duty there till July, 1863 (Cos. "D" and "K" escaped capture, having been sent to Jackson December 18, 1862. Attached to gunboats Tuscumbia, Tyler and Petrel, Mississippi Squadron, February, 1863. Passage of Grand Gulf batteries April 29, 1863. Regiment moved to Vicksburg, Miss., July, 1863, and duty there till December. Moved to Natchez, Miss., December 1, and duty there till October, 1864. Operations about Natchez December 2-10, 1863. Expedition to Gillespie's Plantation, Black Bayou, August 4-6, 1864. Expedition to Buck's Ferry and skirmishes September 19-22. Expedition to Fort Adams October 5-8. Moved to Memphis, Tenn., thence to Paducah, Ky., October 10-12, and duty there till November 26. Moved to Memphis, Tenn., November 26-29. Expedition from Memphis to Moscow December 21-31. Moved to Kennersville, La., January 1-5, 1865; thence to New Orleans, La., February 12-15. Campaign against Mobile, Ala., and its defences February 17-April 12. Siege of Spanish Fort and Fort Blakely
March 26-April 8. Assault and capture of Fort Blakely April 9.
Occupation of Mobile April 12, and duty there till June. Moved to Galveston, Texas, June 26-July 1. Duty at Millican, Hempstead, Brenham and Beaumont, on Texas Central R. R. till November. Mustered out November 6 and discharged from service November 28, 1865.
Regiment lost during service 5 Officers and 70 Enlisted men killed and mortally wounded and 3 Officers and 222 Enlisted men by disease. Total 300.