On the afternoon of July 2, the 14th double-quicked to the rescue of a Union battery that was threatened by an attack by Confederate General A. P. Hill.
The 13th, 14th and 16th Vermont regiments played a pivotal role in the Union repulse of Pickett's Charge on the afternoon of July 3.
Lieutenant George Benedict, an aide to Brigadier General George J. Stannard, related General Abner Doubleday's reaction, saying he "waved his hat and shouted: 'Glory to God, glory to God!
The regiment marched to Harper's Ferry, across South Mountain again, and camped near Petersville, near Berlin.
Colonel Nichols gathered his regiment and made an impassioned plea for them to remain, but the men demurred.