The 1st Brigade was commanded at the Battle of Gettysburg by Colonel Edward Cross of the 5th New Hampshire. Cross was mortally wounded at the beginning of the charge into the Wheatfield on the afternon of July 2nd, and the brigade was taken over by Colonel H. Boyd McKeen.
From the monument:
July 2. Arrived about 7 A. M. and was massed in woods at left and rear of the line of Corps and at 10 A. M. took position forming the left of Division in column of regiments. Between 5 and 6 P. M. moved with Division to the support of Third Corps forming line of battle along a stone wall at the rear and east of the Wheatfield and advanced against the Confederate forces in the Wheatfield and in the woods at left forcing them back to the farther end of the Wheatfield and taking many prisoners when the ammunition being exhausted the Brigade was relieved by part of Second Division Fifth Corps and Second Brigade First Division Fifth Corps and retired to the stone wall and finally with Division to former position in line with Corps. Col. Cross fell mortally wounded early in the engagement.
July 3. Constructed breastworks early in the morning which gave protection from the cannonade in the afternoon. Remained in position until the close of the battle.
Casualties Killed 2 Officers 55 Men Wounded 22 Officers 238 Men Captured or Missing 13 Men Total 330