Union Headquarters monuments > 12th Corps

The monument to the Artillery Brigade of the 12 Corps is south of Gettysburg on Hunt Avenue just east of Taneytown Road.

Monument to the Artillery Brigade of the 12th Corps of the Army of the Potomac on the Gettysburg battlefield

12th Corps Headquarters flag
Attached to the 12th Corps, Army of the Potomac.


The brigade was commanded at the Battle of Gettysburg by Lieutenant Edward D. Muhlenberg, a civil engineer from Lancaster, Pennsylvania.

From the monument:

Army of the Potomac 
Twelfth Corps
Artillery Brigade
Lieut. Edward D. Muhlenberg
1st New York Battery M Four 10 Pounders
Lieut. Charles E. Winegar
Penna. Battery E Six 10 Pounders
Lieut. Charles A. Atwell
4th U. S. Battery F Six 10 Pounders
Lieut. Sylvanus T Rugg
5th U. S. Battery K Four 10 Pounders
Lieut. David H. Kinzie

July 1. About noon two batteries moved from Two Taverns with First Division toward the Hanover Road to within a mile and a half of Gettysburg. The other two batteries moved with Second Division and encamped for the night the same distance from town.

July 2. In the afternoon three guns of Battery E Penna. and two of Battery K 5th U. S. were placed on the summit of Culp’s Hill and were engaged at once with the Confederate artillery. At night Battery E Penna. and Battery M 1st New York were placed on Powers’s and McAllister’s Hills. Battery F 4th U. S.and Battery K 5th U. S. at the base of Powers’s Hill.

July 3. Battery F 4th U. S. and Battery K 5th U. S. in rear of the centre of the Corps. Battery E Penna. and Battery A Maryland six 3 inch rifles from the Reserve Artillery on Powers’s Hill all commanding the valley of Rock Creek. At daylight the artillery (26) guns opened on the position occupied by Major Gen. Johnson’s Division and fired for about 15 minutes then ceased to allow the infantry to advance. Began firing again at 5.30 and continued at intervals until 10.30 A. M. when the Confederates were forced from their position along the entire line.

Casualties 9 men wounded 3 mortally

Union Lieutenant Edward D. Muhlenberg

Union Lieutenant Edward D. Muhlenberg