Organized at Princeton and Indianapolis, Ind., November 12 to December 22, 1861. Ordered to Kentucky December 29, and duty at Bardstown and Lebanon, Ky., till February, 1862. Attached to 21st Brigade, Army of the Ohio, January, 1862. 21st Brigade, 6th Division, Army of the Ohio, to September, 1862. 15th Brigade, 6th Division, 2nd Corps, Army of the Ohio, to November, 1862. 1st Brigade, 1st Division, Left Wing 14th Army Corps, Army of the Cumberland, to January, 1863. 1st Brigade, 21st Division, 21st Army Corps, Army of the Cumberland, to October, 1863. 2nd Brigade, 2nd Division, 4th Army Corps, Army of the Cumberland, to April, 1864. Unattached Pontooneers, Army of the Cumberland and Army of Georgia, till July, 1865.
March through Central Kentucky to Nashville, Tenn., February 10-March 1, 1862. March to Savannah, Tenn., March 18-April 6. Battle of Shiloh, Tenn., April 6-7. Advance on and siege of Corinth, Miss., April 29-May 30. Pursuit to Booneville May 31-June 12. Buell's Campaign in Northern Alabama and Middle Tennessee along line of the Memphis & Charleston Railroad June to August. Little Pond, near McMinnville, August 30. March to Louisville, Ky., in pursuit of Bragg August 30-September 26. Pursuit of Bragg to Loudon, Ky., October 1-22. March to Nashville, Tenn., October 22-November 7, and duty there till December 26. Advance on Murfreesboro December 26-30. Lavergne December 26-27. Battle of Stone's River December 30-31, 1862, and January 1-3, 1863. Duty at Murfreesboro till June. Middle Tennessee (or Tullahoma) Campaign June 23-July 7. Occupation of Middle Tennessee till August 16. Passage of the Cumberland Mountains and Tennessee River and Chickamauga (Ga.) Campaign August 16-September 22. Expedition from Tracy City to the Tennessee River August 22-24 (Detachment). Occupation of Chattanooga, Tenn., September 9. Near Lee and Gordon's Mills September 17-18. Battle of Chickamauga September 19-20. Siege of Chattanooga September 24-November 23. Chattanooga-Ringgold Campaign November 23-27. Orchard Knob November 23-24. Mission Ridge November 25. Pursuit to Graysville November 26-27. March to relief of Knoxville, Tenn., November 28-December 8. Operations in East Tennessee till April, 1864. Re-enlisted January 24, 1864. Assigned to duty in charge of the Pontoon Trains of General Sherman's Army April, 1864, and performed all the bridging from Chattanooga to Atlanta, from Atlanta to the sea, and in the Campaign through the Carolinas. Atlanta Campaign May 1 to September 8, 1864. Demonstrations on Rocky Faced Ridge May 8-11. Battle of Resaca May 14-15. About Dallas May 25-June 5. About Marietta and Kenesaw Mountain June 10-July 2. Nickajack Creek July 2-5. 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. Pursuit of Hood into Alabama October. March to the sea November 15-December 10. Siege of Savannah December 10-21. Campaign of the Carolinas January to April, 1865. Non-Veterans mustered out December 31, 1864. March to Washington, D. C., via Richmond, Va., April 29-May 20. Grand Review May 24. Moved to Louisville, Ky., June, and there mustered out July 25, 1865.
Regiment lost during service 4 Officers and 60 Enlisted men killed and mortally wounded and 2 Officers and 192 Enlisted men by disease. Total 258.