The Rock County Agricultural Society held its annual fair.

The evidence

• “The Society had, during the year, purchased additional ground, making nearly twenty acres in all. There was a large attendance and the grounds well filled. ' ' The next annual fair was held September 28 to 30, 1858. Prom the report of the Secretary, Winfield S.”

  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