The 1st New Hampshire Cavalry Regiment lost 5 officers and 28 enlisted men killed or mortally wounded and 2 officers and 112 enlisted men to disease during the Civil War.

October 24 to December 21 First organized at Concord, N.H., as a Battalion of four Companies attached to 1st New England Cavalry. Later designated 1st Rhode Island Cavalry, Companies I, K, L & M. (see history from 1861 – 1864)
January 7 Battalion detached from 1st Rhode Island Cavalry to form 1st New Hampshire Volunteer Cavalry.
February to April Moved to New Hampshire and on Veteran furlough and organizing Regiment
April 23 7 Companies organized and ordered to Washington, D.C.
At Camp Stoneman, D.C.
May 17 Moved to Belle Plains, Va. Guard Aquia Creek and Fredericksburg S. R., and at Belle Plains. Atached to 2nd Brigade, 3rd Division, Cavalry Corps, Army of the Potomac
June 1-12 Part of Regiment at Hanover Court House and Cold Harbor
June 6 Moved to White House
June 12 Long Bridge
June 13 Riddle’s Shop and White Oak Swamp
June 15 Smith’s Store
June 22-30 Wilson’s Raid on Southside & Danville Railroad
June 22 Ream’s Station
June 23 Nottaway Court House and Black and White Station
June 25 Staunton Bridge (or Roanoke Station)
June 28-29 Sappony Church (or Stony Creek)
June 29 Ream’s Station
June 30-August 8 On picket duty at Light House Point and City Point
July Five Companies complete organization and ordered to Washington, D.C. for guard and patrol duty and operations against Mosby’s guerrillas in the Defenses of Washington independent of regiment
August to December Sheridan’s Shenandoah Valley Campaign Attached to Army of the Shenandoah, Middle Military Division
August 17 Winchester
August 20-21 Summit Station
August 21 Berryville
August 25 Kearneysville
September 3 Darkesville
September 7 Near Brucetown and Winchester
September 13 Abram’s Creek
September 19
Third Battle of Winchester (Battle of Opequan)
September 20 Near Cedarville
September 21 Front Royal
September 22 Fisher’s Hill and Milford
September 29 and October 2 Waynesboro
October 2 Mt. Crawford
October 7 Near Columbia Furnace
October 8-9 Tom’s Brook (“Woodstock Races”)
October 19
Battle of Cedar Creek
November 10 Near Kernstown
November 12 Newtown and Cedar Creek
November 22 Rude’s Hill, near Mr. Jackson
December 19-22 Expedition from Kernstown to Lacy Springs
December 20-21 Lacy Springs
January-February Duty at Winchester
February 27-March 3 Sheridan’s Raid into Virginia
March 2
Battle of Waynesboro

The regiment led a charge on the enemy’s works, capturing with the sabre 1,500 prisoners, all their artillery and the flag of every Comfederate regiment engaged.

March 4 Detached from Division to guard prisoners back to Winchester, Mt. Jackson
March 5 Mt. Sidney and Lacy Springs
March 6 New Market
March Duty at and in the vicinity of Winchester, in the Dept. of the Shenandoah, and at Poolesville, Md. Main regiment joined by 5 companies in Washington
July Mustered out