Winter 1845
A church (building) was removed to the site of the present church, subsequently known as the First Congregational Church of Prairie du Lac.
The regionGrade A · 1 independent source
The evidence
“In the winter of 1845-46, it was removed to the site of the present church, and was subsequently known as the First Congregational Church of Prairie du Lac (Prairie of the Lakes), which name it continued to bear until 1850, when it was again changed to that of the Milton First Congregational Church.”
1879-history-of-rock-county/16-rock-county-ch10-villages.md, PDF p. 680
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. 680) · open the whole page