1862
October Organized at Baltimore, Md. Attached to Defenses of Baltimore, Md., 8th Army Corps, Middle Department
1863
January Attached to 2nd Separate Brigade, 8th Army Corps
February Attached to 3rd Separate Brigade, 8th Army Corps
March Attached to 2nd Brigade, 2nd Division, 8th Army Corps
May Joined Milroy at Winchester
June Attached to 1st Brigade, 2nd Division, 8th Army Corps
June 12 Actions at Middletown, Newtown and Winchester
June 13-15 Second Battle of Winchester
July At Camp Barry, Washington, D.C. 3rd Separate Brigade, 8th Army Corps
August Attached to Camp Barry, Defenses of Washington, D.C., 22nd Army Corps
1864
July Attached to Artillery, 2nd Cavalry Division, West Virginia
July 20 Stephenson’s Depot, Carter’s Farm
July 22 Newtown
July 24 Winchester
July 29 Hagerstown, Md.
August 7-
November 28
Sheridan’s Shenandoah Valley Campaign. attached to Horse Artillery, Cavalry Corps, Army Shenandoah
August 26 Williamsport
August 31 Martinsburg, W. Va.
September 2-3 Bunker Hill
September 10 Darkesville
September 13 Bunker Hill
September 14 Near Berryville
September 19
Third Battle of Winchester (Opequan)
September 22
Fisher’s Hill
September 23-24 Mt. Jackson
September 26 Forest Hill or Timberville, Brown’s Gap
September 26-27 Weyer’s Cave
October 25-26 Milford
December 19-28 Expedition to Gordonsville
December 22 Liberty Mills
December Duty in the Shenandoah Valley attached to the Horse Artillery Reserve, Army Shenandoah
1865
April Duty in the Defenses of Washington, D.C. attached to Cavalry Division, 22nd Army Corps