Battery C of the 1st New York Light Artillery lost 4 enlisted men killed and mortally wounded and 18 enlisted men to disease during the Civil War. It is honored by a monument and a marker at Gettysburg.

1861
Organized at Elmira, N.Y.
September 6 Mustered in
October 31 Left State for Washington, D.C. for duty in the Defenses of Washington attached to Wadsworth’s Command, Military District of Washington
1862
August 26 Action at Manassas Junction
August 27 Bull Run Bridge
September 14-18 March to Antietam attached to 3rd Division, 5th Army Corps, Army of the Potomac
September-October Duty near Sharpsburg
October 30-November 19 March to Falmouth, Va.
December 12-15
Battle of Fredericksburg

1863

January 20-24 “Mud March”
February-April Duty near Falmouth
March 6 Rappahannock Station
April 27-May 6 Chancellorsville Campaign. Attached to Artillery Brigade, 5th Army Corps.
May 1-5
Battle of Chancellorsville
July 1-3
Battle of Gettysburg

From the monument:

Held this position from about 4:30 p.m. July 2, to 4 a.m. July 3rd, 1863. On the morning of July 3rd transferred to the left flank of Big Round Top.

From the marker:

Battery C 1st New York Light Artillery, Four 3 Inch Rifles, Capt. Almont Barnes commanding. July 3 At 3 a.m. moved to and occupied this position until the close of the battle.

October 9-22 Bristoe Campaign
November 7-8 Advance to line of the Rappahannock
November 7 Rappahannock Station
November 26-December 2 Mine Run Campaign
November 27 Robertson’s Tavern
November 28-30 Mine Run
December-April Camp near Rappahannock Station
1864
April Attached to 3rd Brigade, Artillery Reserve, Army of the Potomac
May 3-June 15 Campaign from the Rapidan to the James
May 5-7
Battle of the Wilderness
May 8 Laurel Hill
May 8-21
Spotsylvania Court House
May 16 Attached to Artillery Brigade, 5th Army Corps
May 23-26 North Anna River
May 23 Jericho Mills
May 26-28 On line of the Pamunkey
May 28-31 Totopotomoy
June 1-12
Cold Harbor
June 1-3 Bethesda Church
June 16-18
First Assault on Petersburg

Siege of Petersburg begins

August 18-21 Weldon Railroad
1865
March 28-April 9 Appomattox Campaign. Artillery Reserve, attached to 9th Army Corps
April 2 Final assault on and capture of Petersburg
May Moved to Washington, D.C.
May 23 Grand Review
June 17 Mustered out