Regiment organized at Detroit, Mich., and mustered in August 30, 1862. Left State for Washington, D. C., December 4, 1862. Attached to Provisional Cavalry Brigade, Military District of Washington, to February, 1863. Provisional Cavalry Brigade, Casey's Division, 22nd Army Corps, Dept. of Washington, to March, 1863. 1st Brigade, Stahel's Cavalry Division, 22nd Army Corps, to June, 1863. 2nd Brigade, 3rd Division, Cavalry Corps, Army of the Potomac, to March, 1864. 1st Brigade, 1st Division, Cavalry Corps, Army of the Potomac and Middle Military Division, to June, 1865.

SERVICE:
Duty in the Defences of Washington, D.C., till June, 1863. Scout from Centreville to Falmouth, Va., February 27-28, 1863. Hauxhurst Mills April 13. On Lawyer's Road, near Fairfax Court House and Frying Pan, June 4. Ordered to join Army of the Potomac in the field June 25. Reconnoissance up the Catoctin Valley June 27-28. Occupation of Gettysburg, Pa., June 28. Action at Hanover, Pa., June 30. Battle of Gettysburg, Pa., July 1-3. Hunterstown July 2. Monterey July 4. Smithburg July 5. Williamsport and Hagerstown July 6. Boonsboro July 8. Hagerstown July 11-13. Falling Waters July 14. Williamsport July 14. Snicker's Gap July 17. Ashby's Gap July 17, 18 and 20. Battle Mountain, near Newby's Cross Roads, July 24. Expedition from Warrenton Junction between Bull Run and Blue Ridge Mountains August 1-8. King George Court House August 24. Hartwood Church August 25. Expedition to Port Conway September 1-3. Lamb's Creek Church, near Port Conway, September 1. Advance from the Rappahannock to the Rapidan September 13-17. Culpeper Court House September 13. Raccoon Ford September 14-16. Somerville Ford September 15. Reconnoissance across the Rapidan September 21-23. Madison Court House September 21. White's Ford September 21-22. Robertson's Ford September 23. Woodville September 30. Bristoe Campaign October 8-22. James City October 8-10. Bethesda Church October 11. Brandy Station October 11. Near Culpeper October 11. Hartwood Church October 12. Grove Church October 14. Gainesville October 14. Groveton October 17-18. Gainesville, Catlett's Station and Buckland's Mill October 19. Advance to line of the Rappahannock November 7-8. Stevensburg November 7. Mine Run Campaign November 26-December 2. Morton's Ford November 26. Raccoon Ford November 26-27. Demonstration on the Rapidan February 6-7, 1864. Kilpatrick's Raid on Richmond February 28-March 4. Fortification of Richmond March 1. Brooks' Turnpike March 1. Near Tunstall's Station March 3 (Detachment). Campaign from the Rapidan to the James River May 3-June 24. Todd's Tavern May 5-6. Brock Road and the Furnaces May 6. Wilderness May 6-7. Todd's Tavern May 7-8. Sheridan's Raid to James River May 9-24. Beaver Dam Station May 9. Ground Squirrel Church and Yellow Tavern May 11. Meadow Bridge and fortifications of Richmond May 12. Hanover Court House May 21. Haw's Shop May 24. On line of the Pamunkey May 26-28. Hanovertown Ferry, Hanovertown, and Crump's Creek May 27. On line of the Totopotomoy May 28-31. Haw's Shop and Aenon Church May 28. Old Church and Mattadequin Creek May 30. Bethesda Church, Cold Harbor, May 31-June 1. Sheridan's Trevillian Raid June 7-24. Trevillian Station June 11-12. Newark or Mallory's Cross Roads June 12. Black Creek or Tunstall's Station June 21. White House or St. Peter's Church June 21. Jones' Bridge June 23. Demonstration north of the James River July 27-29. Deep Bottom July 27-28. Ordered to Washington, D. C., August -. Sheridan's Shenandoah Valley Campaign August 7-November 28. Toll Gate, near White Post and Winchester, August 11. Cedarville or Front Royal August 16. Snicker's Gap Pike August 19. Near Berryville August 19-20. Kearneysville and Shepherdstown August 25. Leetown-Smithfield August 29. Smithfield Crossing, Opequan, August 29. Locke's Ford, Opequan Creek, September 13. Sevier's Ford, Opequan Creek, September 15. Battle of Opequan-Winchester September 19. Fisher's Hill September 21. Milford September 22. Luray September 24. Port Republic September 26-28. Mt. Crawford October 2. Luray Valley October 8. Tom's Brook, "Woodstock Races," October 8-9. Battle of Cedar Creek October 19. Near Kernstown November 11. Loudon County November 18. Expedition into Loudoun and Faquier Counties November 28-December 3. Raid to Gordonsville December 19-28. Madison Court House December 21. Liberty Mills December 22. Near Gordonsville December 23. Expedition to Little Fort Valley February 13-17, 1865. Sheridan's Expedition from Winchester February 27-March 25. Occupation of Staunton and Waynesboro March 2. Duguidsville March 8. Appomattox Campaign March 28-April 9. Dinwiddie Court House March 30-31. Five Forks April 1. Scott's Cross Roads April 2. Tabernacle Church or Beaver Pond Creek April 4. Sailor's Creek April 6. Appomattox Station April 8. Appomattox Court House April 9. Surrender of Lee and his army. Expedition to Danville April 23-29. March to Washington, D. C., May -. Grand Review May 23. Moved to Fort Leavenworth, Kansas, June 1. Mustered out June 23, 1865. Veterans and Recruits transferred to 1st Michigan Cavalry.

Regiment lost during service 6 Officers and 135 Enlisted men killed and mortally wounded and 3 Officers and 322 Enlisted men by disease. Total 366.