October 16, 1855
The Rock County Bank was organized with a capital of $50,000.
BeloitGrade A · 1 independent source
The evidence
“Moek County Bank. — The organization of this bank took place October 16, 1855, with the following corporators: John J. R.”
1879-history-of-rock-county/14-rock-county-ch08-janesville.md, PDF p. 586 / book p. 590
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. 586 / book p. 590) · open the whole page