September 17, 1861
A fair was held (at Rock County).
The evidence
“Lester, Treasurer. The fair was held September 17, 18 and 19, 1861. The receipts were $841.44, and expenditures $783.17.”
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 “Lester, treasurer. The fair was held September 17, 18 and 19, 1861. The receipts were $841.44 and expenditures $783.17.”
1908-brown-rock-county/17-agriculture.md, Vol. 1, PDF p. 441 / book p. 408
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. 441 / book p. 408) · open the whole page