40th Wisconsin Volunteer Infantry Regiment

The 40th Regiment Wisconsin Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end the war within 100 days.

Service
The 40th Wisconsin was organized at Madison, Wisconsin, and mustered into Federal service on June 14, 1864.

The regiment was mustered out on September 16, 1864.

Casualties
The 40th Wisconsin suffered 1 officer and  18 enlisted men who died of disease, for a total of 19 fatalities.