Battery H is honored by a monument at Gettysburg in the National Cemetery.

1861
January Stationed at Fort Sumter, S. C.
April 12-13 Defense of Fort Sumter
April 13 Evacuation of Fort Sumter
April 19 Reached Fort Hamilton, N.Y. Harbor
June 3 Moved to Chambersburg, Pa. and attached to General Patterson’s Army, Department of Pennsylvania
August 26 Ordered to Washington, D.C.
August 28 Arrived Washington, D.C., having marched to Hagerstown and moved by rail via Harrisburg and Baltimore
October Duty in the Defenses of Washington, D. C. attached to Reserve Artillery, Army Potomac
1862
March Moved to Virginia Peninsula and attached to 2nd Division, 3rd Army Corps, Potomac
April 5-May 4 Siege of Yorktown, Va
May 5 Battle of Williamsburg
May Attached to 1st Regular Brigade, Artillery Reserve
May 31-June 1 Battle of Fair Oaks, Seven Pines
June 25-July 1 Seven days before Richmond
June 25 Oak Grove
June 30 Glendale
July 1 Malvern Hill
August 16-23 Moved to Fortress Monroe, then to Washington, D.C.
November 10-12 Operations on Orange & Alexandria Railroad
December 11-15 Battle of Fredericksburg
January 20-24 “Mud March”
1863
February 5-7 Operations at Rappahannock Bridge and Grove Church
February-March At Falmouth
April 14 Rappahannock Bridge
April 27-May 6 Chancellorsville Campaign
May 1-5 Battle of Chancellorsville
June 11-July 24 Gettysburg Campaign
July 1-3 Battle of Gettysburg

Commanded by Lieutenant Chandler R. Eakin, the battery brought six 12 Pounders to the field and lost 1 enlisted man killed, Lieutenant Eakin and 7 enlisted men wunded and 1 man missing. Lieutenant Philip D. Mason took command when Lieutenant Eakin was severely wounded.

From the monument:

July 2. In position on Cemetery Hill facing the Emmitsburg Road. Engaged July 2nd and 3rd.

October 9-22 Bristoe Campaign. Assigned to 3rd Brigade, Artillery Reserve.
November 7-8 Advance to line of the Rappahannock
November 26-December 2 Mine Run Campaign
December Attached to 2nd Brigade, Artillery Reserve
1864
March Attached to Camp Barry, Defences of Washington
April 20 Consolidated with Battery I and attached to 2nd Brigade, Horse Artillery
May 4-June 12 Rapidan Campaign
May 5-7
Battle of the Wilderness
May 8-21
Battle of Spotsylvania Court House
May 23-26 North Anna
May 28-31 Totopotomoy
June 1-7 Cold Harbor
June 7-24 Sheridan’s Trevillian Raid
June 11-12 Trevillian Station
June 21 Black Creek or Tunstall Station and White House or St. Peter’s Church
June 24 St. Mary’s Church
June 29-July 27 At Light House Point
August At Camp Barry
September 29 Arthur’s Swamp
September 29-October 1 Poplar Springs Church
October 1 Wyatt’s Road
October 27-28 Boydton Plank Road
December 12 Warren’s Raid on Weldon Railroad
February 5-7 Dabney’s Mills
1865
March 28-April 9 Appomattox Campaign
March 30-31 Dinwiddie Court House
April 1
Five Forks
April 3 Namozine Church
April 5 Paine’s Cross Roads
April 6 Sailor’s Creek
April 9
Appomattox Court House

Surrender of Lee and his army.

May Moved to Washington, D.C. and assigneed to Dept. of Washington
May 23 Grand Review