The Coliseum Building was constructed 1931 and was then described as "the pride of the City of Sterling and the admiration of the State of Illinois." You can view the Coliseum's storied history in PDF form here. Or you can download the PowerPoint presentation.
Today, the Coliseum serves as the home of City offices and the Sterling Police Department. The building and grounds are maintained by the Coliseum Manager under the Community Services Department.
Portions of the facility are no longer available to rent for performances, meetings, exhibits, seminars and such.