The system of town government was first adopted, superseding the county-government system.

The evidence

• “" In the spring of 1842, the system of town government was first adopted. That portion of Township 3 north, of Range 12 east, lying west of Rock River;”

  1879-history-of-rock-county/13-rock-county-ch07-town-histories.md, PDF p. 517 / book p. 521

  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

  

• “"In the spring of 1842 the system of town government was first adopted. That portion of township 3, north of range 12 east, lying west of Rock river; township 2, north, and the half of township 3, north, in range 11 east, and township 2, north, and the half of township 3, north, in range 10 east, were embraced in one town by the name of Center.”

  1908-brown-rock-county/31-smaller-cities-villages-towns.md, Vol. 2, PDF p. 197 / book p. 702

  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