From the record
“Sandwich City Hall, which is also known as the Sandwich City Hall & Opera House, is the government center for the city of Sandwich, Illinois, in DeKalb County. The first floor of the building is occupied by city government while the second floor of the historic building houses an active opera house.”
Wikipedia article Sandwich City Hall, CC BY-SA 4.0.
One of 19 National Register listings published here for DeKalb County · listed in 1979 · category: Building · built in 1878, Second Empire architecture in the United States and Canada.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service
