40th New York Infantry Regiment
UNIT OF THE UNION (NORTHERN) ARMY DURING THE AMERICAN CIVIL WAR
40th New York Volunteer Infantry; 40th New York Infantry; 40th Regiment New York Volunteer Infantry; 40th New York Volunteer Infantry Regiment
The 40th New York Infantry Regiment, also known as the "Mozart Regiment" or the "Constitution Guard", was an infantry regiment that served in the Union Army during the American Civil War.