Organized at Hartford and Calhoun, Ky., September to December, 1861. Attached to 13th Brigade, Army of Ohio, to December, 1861. 13th Brigade, 5th Division, Army of Ohio, to February, 1862. 1st Brigade, 3rd Division, Army of the Tennessee, to March, 1862. 3rd Brigade, 4th Division, Army of the Tennessee, to April, 1862. 10th Brigade, 4th Division, Army of the Ohio, to July, 1862. 9th Brigade, 3rd Division, Army of Ohio, to September, 1862. District of Western Kentucky, Dept. of Ohio, to November, 1862. Post of Clarksville, Tenn., Dept. of the Cumberland, to March, 1863. 1st Brigade, 3rd Division, 21st Army Corps, Army of the Cumberland, to October, 1863. 3rd Brigade, 3rd Division, 4th Army Corps, to January, 1865.
Duty at Calhoun, Ky., till February, 1862. Action at Woodbury, Ky., October 29, 1861. Morgantown October 31. Moved to Fort Donelson, Tenn., February 11-13. Investment and capture of Fort Donelson, Tenn., February 13-16. Expedition to Crump's Landing, Tenn., March 14-17. Battle of Shiloh, Tenn., April 6-7. Advance on and siege of Corinth, Miss., April 29-May 30. Bridge Creek before Corinth May 28. Pursuit to Booneville May 31-June 12. Buell's Campaign in Northern Alabama and Middle Tennessee June to August. March to Nashville, Tenn., thence to Louisville, Ky., in pursuit of Bragg August 21-September 26. Moved to Bowling Green, Ky., thence to Russellsville, Ky., and duty there till December. Ordered to Clarksville, Tenn., and duty there till March, 1863. Moved to Nashville, Tenn., thence to Murfreesboro, Tenn., and duty there till June. Middle Tennessee (or Tullahoma) Campaign June 23-July 7. At McMinnville till August 16. Passage of Cumberland Mountains and Tennessee River and Chickamauga (Ga.) Campaign August 16-September 22. Battle of Chickamauga September 19-20. Siege of Chattanooga, Tenn., September 24-November 23. Chattanooga-Ringgold Campaign November 23-27. Orchard Knob November 23-24. Mission Ridge November 25. March to relief of Knoxville November 28-December 8. Operations in East Tennessee December, 1863, to April, 1864. Moved to Cleveland, Tenn. Atlanta (Ga.) Campaign May to September. Demonstration on Rocky Faced Ridge May 8-11. Battle of Resaca May 14-15. Adairsville May 17. Near Kingston May 18-19. Near Cassville May 19. Advance on Dallas May 22-25. Operations on Pumpkin Vine Creek and battles about Dallas, New Hope Church and Allatoona Hills May 25-June 5. Pickett's Mills May 27. Ackworth June 6. Operations about Marietta and against Kenesaw Mountain June 10-July 2. Pine Hill June 11-14. Lost Mountain June 15-17. Assault on Kenesaw June 26. Ruff's Station July 4. Chattahoochie River July 5-17. Peach Tree Creek July 19-20. Siege of Atlanta July 22-August 25. Flank movement on Jonesboro August 25-30. Battle of Jonesboro August 31-September 1. Lovejoy Station September 2-6. Operations against Hood in North Georgia and North Alabama September 29-November 3. Moved to Nashville and Pulaski, Tenn. Columbia, Duck River, November 24-27. Battle of Franklin November 30. Ordered to Louisville, Ky., December, and mustered out January 23, 1865.
Regiment lost during service 7 Officers and 128 Enlisted men killed and mortally wounded and 5 Officers and 158 Enlisted men by disease. Total 298.