January 19, 1853
An Agricultural Convention was to be held at Madison, to which the Rock County society was asked to send delegates.
The regionGrade A · 1 independent source
The evidence
“A communication from the Secretary of the State Agricultural Society having been read by our Secretary, requesting our Society to send delegates to an Agricultural Convention, to be held at Madison, on the 19th day of January, 1853; when, on motion of J. P.”
1856-history-of-rock-county/28-agricultural-society-1853.md, PDF p. 291 / book p. 267
Guernsey, Orrin, and Josiah F. Willard, editors. History of Rock County, and Transactions of the Rock County Agricultural Society and Mechanics' Institute. Janesville, Wis.: William M. Doty & Brother, 1856. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871593.
Grade A: Found on a page of one of our sources