The 20th Maine is renowned for its pivotal role in defending the Union's left flank at Gettysburg.

Commanded by Colonel Joshua Chamberlain, the regiment was tasked with the crucial responsibility of holding Little Round Top on July 2, 1863. Faced with relentless Confederate assaults, the 20th Maine executed a crucial defensive operation, culminating in a remarkable bayonet charge that repelled the enemy. Their heroic efforts not only secured the Union's hold on this vital position but also emerged as a powerful symbol of bravery and determination in the face of overwhelming odds during the battle.