August 1839
The first election was held at the house of Samuel St. John, about one mile below Janesville.
Rock CountyGrade A · 1 independent source
The evidence
“The first election was held at the house of Samuel St. John, about one mile below Janesville, or below where Janesville was, in August, 1839.”
1879-history-of-rock-county/14-rock-county-ch08-janesville.md, PDF p. 542 / book p. 546
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. 542 / book p. 546) · open the whole page