The 18th Illinois Infantry was organized at Aurora, Illinois and mustered into Federal service on May 28, 1861 for a three year enlistment.
Illinois | 18th United States Congress | University of Illinois at Urbana-Champaign | Peoria, Illinois | Rockford, Illinois | Evanston, Illinois | Springfield, Illinois | Northern Illinois University | Cook County, Illinois | regiment | Illinois Institute of Technology | Joliet, Illinois | infantry | Rock Island, Illinois | Belleville, Illinois | Aurora, Illinois | Southern Illinois University | Quincy, Illinois | Illinois River | Infantry | Governor of Illinois | Wheaton, Illinois | Waukegan, Illinois | Parachute Regiment (United Kingdom) | Naperville, Illinois | Illinois Central Railroad | University of Illinois at Urbana–Champaign | Oak Park, Illinois | Illinois House of Representatives | Elgin, Illinois |