First Division

In the Army of the Potomac's Second Corps, the First Division under Brig. General John C. Caldwell included a First Brigade led by Col. Edward E. Cross and Col. H. B. McKeen, a Second Brigade led by Col. Patrick Kelly, a Third Brigade led by Brig. Gen. Samuel K. Zook and Lieut. Col. John Fraser, and a Fourth Brigade led by Col. J.R. Brooke. On July 2, the division arrived about 7 a.m. and took position on the right of the Third Corps on the line between the Cemetery and Round Top, with the Second Division on its right. Between 5 and 6 p.m. it moved into the Wheatfield under the orders of Gen. Sykes in support of the third line, the line previously occupied by the Third Brigade, First Division, Third Corps. It fought Anderson's Brigade of Hood's Division until sunset and suffered heavy losses, including Col. Cross and Gen. Zook, who were killed early in the engagement. It then returned to its former position in the Second Corps line. On July 3, the division formed in single line, threw up breastworks, and remained in position until the close of the battle. Its casualties were 18 officers and 169 men killed, 82 officers and 798 men wounded, and 6 officers and 202 men captured or missing, for a total of 1275.

Pennsylvania · United States