Army of the Potomac
Major General George G. Meade
Commanding
The Army consisted of Eight Army Corps
First Corps - Major General John F. Reynolds, Major General Abner Doubleday, Major General John Newton
Second Corps - Major General Winfield S. Hancock, Brigadier General John Gibbon
Third Corps - Major General Daniel E. Sickles, Major General David B. Birney
Fifth Corps - Major General George Sykes
Sixth Corps - Major General John Sedgwick
Eleventh Corps - Major General Oliver O. Howard
Twelfth Corps - Major General Henry W. Slocum, Brigadier General Alpheus S. Williams
Cavalry Corps - Major General Alfred Pleasanton
Artillery Reserve - Brigadier General Robert O. Tyler
July 1. The First and Eleventh Corps arrived and were engaged north and west of Gettysburg and fell back to Cemetery Hill in rear of the town. The Twelfth Corps and a large part of the Third Corps arrived at the close of the day.
July 2. The remainder of the Third Corps and the Fifth and Second Corps arrived in the morning the Sixth Corps in the afternoon. The Third Corps having advanced was attacked by Longstreet's Confederate Corps and Anderson's Division of Hill's Corps. The Fifth Corps and the First Division of the Second Corps going to the support of the Third Corps an engagement ensued until nightfall when the Union forces had been driven from their advanced position and the Confederates repulsed.
July 3. The Twelfth Corps having by order vacated a large part of its line on Culp's Hill on the night of the 2d and Johnson's Division of Ewell's Corps having occupied the works. The Twelfth Corps in the morning attacked and regained the lines it had previously vacated. Hill's Corps and Pickett's Division of Longstreet's Corps in the afternoon attacked the line of the Second Corps and were repulsed with great loss. Stuart's Confederate Cavalry in the afternoon attacked the Second Cavalry Division and the Second Brigade Third Cavalry Division and was repulsed.
Marker is on Hancock Avenue, on the right when traveling north.
Courtesy hmdb.org
