11th Corps Headquarters Flag 11C-1D

 

The monument for the 1st Brigade, 1st Division, 11th Army Corps is southeast of Gettysburg on Wainwright Avenue at the foot of East Cemetery Hill. (39.821579° N, 77.227345° W; Google map; Tour map: Wainwright Avenue)

The brigade was commanded at the Battle of Gettysburg by Colonel Leopold Von Gilsa of the 41st New York, a former Prussian Army officer who had settled in New York City.

Monument to the 1st Brigade, 1st Division, 11th Corps at Gettysburg

Looking west from the foot of Cemetery Hill. The Evergreen Cemetery gatehouse shows over the top of the hill above the monument, and General Hancock’s equestrian statue can be seen at the top of the hill on the right.

From the monument:

Army of the Potomac 
Eleventh Corps First Division
First Brigade
Col. Leopold Von Gilsa
41st (9 Cos.) 54th 68th New York
153d Pennsylvania Infantry

July 1. The Brigade except the 41st New York having been temporarily left at Emmitsburg arrived about noon and took position a mile northerly from town on left of Harrisburg Road and right of Rock Creek Second Brigade on right and Third Division on left. Advanced over a knoll into woods in front and encountered Brig. Gen. Gordon’s Brigade and was attacked by Brig. Gen. Doles’s Brigade Major Gen. Rodes’s Division and subjected to a severe enfilading artillery fire from Lieut. Col. Jones’s Battalion on a knoll east of Rock Creek and forced back to the Almshouse where being outflanked the Brigade fell back with the Corps to Cemetery Hill and took position behind a stone wall on the right of Corps. The 41st New York rejoined the Brigade in the night.

July 2. Remained in position all day engaged as skirmishers. An attack in the evening on Cemetery Hill on the left was repulsed with the aid of First Brigade Third Division Second Corps.

July 3. Under artillery fire for an hour and a half but not engaged.

Casualties
Killed 4 Officers 50 Men
Wounded 21 Officers 289 Men
Captured or Missing 6 Officers 157 Men
Total 527