1st New Hampshire Volunteer Cavalry The 1st New Hampshire Volunteer Cavalry was a cavalry regiment that served in the Union Army during the American Civil War . Service . Four companies of cavalry were organized in Concord , New Hampshire , October 24 - December 21 , 1861 , as a battalion and attached to the 1st New England Cavalry as Companies I , K , L , and M . ( For the service of these companies , see the history of the 1st Rhode Island Cavalry . ) The regiment did not reach full strength of twelve companies until July 1864 . The battalion was detached on January 7 , 1864 , and officially designated the 1st New Hampshire Volunteer Cavalry . The regiment was attached to the 2nd Brigade , 3rd Division , Cavalry Corps , Army of the Potomac and Army of the Shenandoah , Middle Military Division , to February 1865 . Cavalry , Department of the Shenandoah , to July 1865 . The 1st New Hampshire Cavalry mustered out of service in July 1865 . Detailed service . Moved to New Hampshire and on veteran furlough and organizing regiment , February to April 1864 . Seven companies organized and ordered to Washington , D . C . , April 23 , 1864 . At Camp Stoneman , Washington , D . C . , until May 17 , 1864 . Moved to Belle Plains , Virginia . Guarded Aquia Creek and Fredericksburg S . R . , and at Belle Plains until June 6 , then moved to White House . ( A part of the regiment was at Hanover Court House and Cold Harbor June 1 – 12 . ) Long Bridge June 12 . Riddle ' s Shop and White Oak Swamp June 13 . Smith ' s Store June 15 . Wilson ' s Raid on Southside & Danville Railroad June 22 – 30 . Ream ' s Station June 22 . Nottaway Court House and Black and White Station June 23 . Staunton Bridge ( or Roanoke Station ) June 25 . Sappony Church ( or Stony Creek ) June 28 – 29 . Ream ' s Station June 29 . On picket duty at Light House Point and City Point June 30 - August 8 . Sheridan ' s Shenandoah Valley Campaign August to December . Winchester August 17 . Summit Station August 20 – 21 . Berryville August 21 . Kearneysville August 25 . Darkesville September 3 . Near Brucetown and Winchester September 7 . Abrams Creek September 13 . Battle of Opequon , Winchester , September 19 . Near Cedarville September 20 . Front Royal September 21 . Fisher ' s Hill September 22 . Milford September 22 . Waynesboro September 29 and October 2 . Mt . Crawford October 2 . Near Columbia Furnace October 7 . Tom ' s Brook ( " Woodstock Races " ) October 8 – 9 . Battle of Cedar Creek October 19 . Near Kernstown November 10 . Newtown and Cedar Creek November 12 . Rude ' s Hill , near Mt . Jackson , November 22 . Expedition from Kernstown to Lacy Springs December 19 – 22 . Lacy Springs December 20 – 21 . Duty at Winchester until February 1865 . Sheridan ' s Raid into Virginia February 27 - March 3 . Waynesboro March 2 . Regiment led charge on enemy ' s works , capturing with the sabre 1 , 500 prisoners , all their artillery and the flag of every regiment engaged . Detached from division , to guard prisoners back to Winchester , Mt . Jackson March 4 . Mt . Sidney March 5 . Lacy Springs March 5 . New Market March 6 . Duty at and in the vicinity of Winchester , and in the Department of the Shenandoah , also at Poolesville , Maryland , July 1865 . Five companies completed organization July 1864 , and ordered to Washington , D . C . Guard and patrol duty and operations against Mosby ' s guerrillas in the Defenses of Washington March 1865 . Joined regiment in the Shenandoah Valley . Casualties . The regiment lost a total of 147 men during service ; 5 officers and 28 enlisted men killed or mortally wounded , 2 officers and 112 enlisted men died of disease .