1859
University Hall, the main central edifice, was finished.
BeloitGrade A · 1 independent source
The evidence
“The south dormitory, of" the same size, was completed in 1855. The main central edifice, known as University Hall, was. finished in 1859. The Ladies' College was completed in 1872.”
1879-history-of-rock-county/03-wisconsin-topography-geology-agriculture.md, PDF p. 140
Butterfield, C. W., et al. The History of Rock County, Wisconsin: its early settlement, growth, development, resources, etc. Chicago: Western Historical Company, 1879. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871585.
Grade A: Found on a page of one of our sources
On the printed page (PDF p. 140) · open the whole page