20th Iowa Infantry Regiment
The 20th Iowa Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War. Service. The 20th Iowa Infantry was organized at Clinton, Iowa and mustered in for three years of Federal service on August 25, 1862. The 20th Infantry moved to St. Louis, Mo., September 5; thence to Springfield, Mo., arriving September 24. They were attached to the following units over the course of their service: The 20th took part in the following movements, actions, and engagements: The regiment was mustered out on July 8, 1865. Total strength and  casualties. The 20th Iowa mustered 1026 men at one time or another during its existence. It suffered 1 officer and 13 enlisted men who were killed in action or who died of their wounds and 2 officers and 157 enlisted men who died of disease, for a total of 173 fatalities. 52 were wounded.