Organized at Galena, Ill., and mustered in at Camp Douglas, Ill., December 25, 1861. Moved to Cairo, II1., January 12, 1862, and duty there till February 2. Attached to District of Cairo to February, 1862. 2nd Brigade, 1st Division, District of West Tennessee, and Army of the Tennessee, to March, 1862. 2nd Brigade, 1st Division, Army of the Tennessee, to July, 1862. 2nd Brigade, District of Jackson, to September, 1862. 3rd Brigade, District of Jackson, to November, 1862. 1st Brigade, 3rd Division, Right Wing 13th Army Corps (Old), Department of the Tennessee, to December, 1862. 1st Brigade, 3rd Division, 17th Army Corps, Army of the Tennessee, to July, 1865.
SERVICE - Operations against Fort Henry, Tenn., February 2-6, 1862, Capture of Fort Henry February 6. Investment and capture of Fort Donelson, Tenn., February 12-16. Duty at Fort Donelson till March 4. Moved to Savannah, Tenn., March 4-11. Expedition to Pin Hook March 18-19. Moved to Pittsburg Landing, Tenn., March 25. Battle of Shiloh, Tenn., April 6-7. Advance on and siege of Corinth, Miss., April 29-May 30. Moved to Bethel, thence to Jackson, Tenn., June 4-8. Guard R. R. there till August 11. Action at Medon August 3. Guard Mississippi Central R. R, August 11 to September 17 (4 companies at Medon, 5 companies at Toon's, Co. "G" at Treager's). Actions with Armstrong at Meadon, Toon's and Treager's August 31 (Co. "G" captured at Treager's). Duty at Jackson, Tenn., till November 2. Grant's Central Mississippi Campaign. Operations on the Mississippi Central R. R. to the Yockna River, Miss., November 2, 1862, to January 10, 1863. Capture of Henderson Station November 25, 1862 (Co. "B"). At Memphis, Tenn., till February, 1863. Moved to Lake Providence, La., February 22-24. Moved to Barry's Landing March 16 and to Milliken's Bend April 19 (a detachment ran batteries on transports April 22, the whole Regiment volunteering). Movement on Bruinsburg and turning Grand Gulf April 25-30. Battle of Thompson's Plantation (or Port Gibson) May 1. North Fork Bayou Pierre May 3. Ingraham's Heights May 3. Battles of Raymond May 12, Jackson May 14, Champion's Hill May 16, Big Black River May 17. Siege of Vicksburg, Miss., May 18-July 4. Assaults on Vicksburg May 19-22 and June 25. Surrender of Vicksburg July 4. Provost duty at Vicksburg till October. Expedition toward Canton October 14-20. Bogue Chitto Creek and Robinson's Mill October 17. At Big Black till February, 1864. Meridian Campaign February 3-March 2. Meridian February 13-14. Chunky Station February 14. Chunkyville Station February 29. Moved to Memphis, Tenn., March 17. Veterans on furlough till May. Moved to Cairo, Ill, thence to Clifton, Tenn., April 28-May 5. March to Huntsville, Ala., May 5-23, thence to Ackworth, Ga., via Decatur and Warrenton, Ala., and Rome and Kingston, Ga., May 28-June 8. Atlanta (Ga.) Campaign June 8-September 8. Operations about Marietta and against Kenesaw Mountain June 10-July 2. Assault on Kenesaw June 27. Nickajack Creek July 2-5. Chattahoochie River July 5-17. Howell's Ferry July 5. Leggett's, Bald Hill, July 20-21. Battle of Atlanta July 22. Siege of Atlanta July 22-August 25. Flank movement on Jonesboro August 25-30. Battle of Jonesboro August 31-September 1. Love-Joy Station September 2-6. Operations against Hood in North Georgia and North Alabama September 28-November 3. March to the sea November 15-December 10. Siege of Savannah December 10-21. Campaign of the Carolinas January to April, 1865. Salkehatchie Swamp, S.C., February 1-5. Barker's Mills, Whippy Swamp, February 2. South Edisto River February 9. North Edisto River February 11-12. Columbia February 15-17. Fayetteville, N. C., March 13. Battle of Bentonville March 20-21. Occupation of Goldsboro March 24. Advance on Raleigh April 10-14. Occupation of Raleigh April 14. Bennett's House April 26. Surrender of Johnston and his army. March to Washington, D.C., via Richmond, Va., April 29-May 19. Grand Review May 24. Moved to Louisville, Ky., June 6-8.
Mustered out July 12, 1865.
Regiment lost during service 9 Officers and 76 Enlisted men killed and mortally wounded and 2 Officers and 136 Enlisted men by disease. Total 223.