January 2, 1838
By act of the territorial legislature, the country within the boundary lines of Rock County was set off as a separate town named Rock, with election polls to be opened at the house of Henry F. Janes in Janesville.
Rock CountyGrade A · 1 independent source
The evidence
“By section 25 of act No. 18, approved January 2, 1838, it was declared '"That the country included within the boundary lines of Rock county be and the same is hereby set off into a separate town by the name of Rock and that the polls of election shall be opened at the house of Henry F. Janes, in Janesville."”
1908-brown-rock-county/05-historic-evolution.md, Vol. 1, PDF p. 133 / book p. 119
Brown, William Fiske, editor. Rock County, Wisconsin: A New History of Its Cities, Villages, Towns, Citizens and Varied Interests, from the Earliest Times, Up to Date. Chicago: C. F. Cooper & Co., 1908. 2 vols. archive.org/details/rockcountywiscon01brow, archive.org/details/rockcountywiscon02brow.
Grade A: Found on a page of one of our sources
On the printed page (Vol. 1, PDF p. 133 / book p. 119) · open the whole page