Organized at Carlisle, Pa., July to October, 1862. Engaged in scout and picket duty near Chambersburg, Pa., during Maryland Campaign, September 6-24, 1862. Attached to Cavalry Division, Army Potomac, unassigned, September, 1862. A Detachment moved to Greencastle, thence to Hagerstown, Md., September 6-15. Skirmish near Hagerstown September 12-13. Hagerstown September 15. Advance to Jones' Cross Roads September 16, and scouting during battle of Antietam, Md., September 17. Led advance of Pennsylvania Militia to Williamsport September 20-21. Regiment left State for Louisville, Ky., November 7, 1862, thence moved to Nashville, Tenn., December 8. Served unattached, Army Cumberland, to December, 1862. Reserve, Cavalry Brigade, Army Cumberland, to March, 1863. Unattached, Cavalry Corps, Army Cumberland, to June, 1863. Headquarters Army Cumberland to October, 1863. Unattached Cavalry, Dept. Cumberland, to May, 1864. Post and District of Nashville, Dept. Cumberland, to August, 1864. Unattached, Dept. Cumberland, to November, 1864. 3rd Brigade, 6th Division, Cavalry Corps, Military Division Mississippi, to March, 1865. 1st Brigade, Cavalry Division, District East Tennessee, Dept. Cumberland, to June, 1865.
Skirmish on Hillsboro Pike, near Nashville, Tenn., December 25, 1862. Advance on Murfreesboro December 26-30. Nolensville December 26-27. Triune December 27. Wilkinson's Cross Roads December 29. Battle of Stone's River December 30-31, 1862, and January 1-3, 1863. Lavergne December 30, 1862. Scout to Woodbury January 4, 1863. Lytle's Creek January 5. At Murfreesboro till June. Scout to Woodbury April 4. Near Woodbury April 5-6. The Barrens April 7. (Cos. "B," "H" and "K" at Dept. Headquarters.) Middle Tennessee or Tullahoma Campaign June 22-July 7. Near Rover June 24. Winchester August 1. Passage of Cumberland Mountains and Tennessee River, and Chickamauga (Ga.) Campaign August 16-September 22. Battle of Chickamauga September 19-21. Duty in Sequatchie Valley till November. Near Dunlap October 2. Sequatchie Valley October 26. March to relief of Knoxville November 28-December 3. Gatlinsburg December 10. Near Dandridge Mills December 13. Near Morristown December 14. Near Dandridge December 22-23. Dandridge December 24. Mossy Creek, Talbot Station, December 29. Scout from Dandridge to Clark's Ferry January 10-11, 1864. Schultz's Mill, Cosby Creek, January 14 (Detachment). Near Wilsonville January 22 (Detachment). Indian Creek January 28. Fair Garden January 28-29. Fain's Island January 28. Expedition from Marysville to Quallatown, N. C., January 31-February 7. Quallatown February 5. Moved to Chattanooga, Tenn., arriving February 12. Demonstration on Dalton, Ga., February 22-27. Tunnel Hill, Buzzard's Roost Gap and Rocky Faced Ridge February 23-25. Scouting till May. Ordered to Nashville, Tenn., May 4, and duty there till September. Gillem's Expedition from East Tennessee toward Southwest Virginia September 20-October 17. Jonesboro and Watauga River September 29. Kingsport October 7. Rogersville October 8. Scouting about Chattanooga till December. Dalton December 13. Pursuit of Hood's forces and trains December 20, 1864, to January 6, 1865. Near Decatur, Ala., December 28. Pond Springs December 29. Near Leighton December 30. Russellville December 31. Nauvoo, Ala., January 2. Thorn Hill January 3. Near Mt. Hope January 5. Pursuit of Lyon January 13-16. Red Hill January 14. Warrenton January 15. Paint Rock January 26. Stoneman's Raid into Southwest Virginia and Western North Carolina March 21-April 25. Demonstration on Virginia & Tennessee Railroad to near Lynchburg, Va., March 26-April 6 (Detachment under Major Wagner). Yadkin River March 29. Boone, N. C., April 1. Hillsville and Wytheville, Va., April 3. New London, Va., April 8. Martinsville April 3. Near Greensboro April 11. Capture of Saulsbury April 12. Jamestown, N. C., April 19. Howard's Gap, Blue Ridge Mountains, April 22. Pursuit of Jeff Davis May. (A Detachment of Regiment was on duty at Headquarters Army Cumberland June 24, 1863, to December, 1864; participated in the Atlanta Campaign and Nashville Campaign.) Mustered out at Nashville, Tenn., June 21, 1865. Company "A" retained in service till July 18, 1865.
Regiment lost during service 3 Officers and 22 Enlisted men killed and mortally wounded and 103 Enlisted men by disease. Total 128.