October 10, 1857
The Rock County fair was held; the Society had purchased additional ground during the year, making nearly twenty acres in all.
The evidence
“The county fair was held on the 10th of October, 1857. The Society had, during the year, purchased additional ground, making nearly twenty acres in all.”
1879-history-of-rock-county/12-rock-county-ch06-politics-war-record.md, PDF p. 445 / book p. 449
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. 445 / book p. 449) · open the whole page “The county fair was held on October 10, 1857. The society had, during the year, purchased additional ground, making nearly twenty acres in all.”
1908-brown-rock-county/17-agriculture.md, Vol. 1, PDF p. 440 / book p. 407
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 · may repeat 1879-history-of-rock-county, so not counted as independent
On the printed page (Vol. 1, PDF p. 440 / book p. 407) · open the whole page