April 1, 1846
The town of Newark held its first town meeting at the house of I. D. Marvin and elected its first officers.
The evidence
“The town of Newark is situated in the southwestern part of the county, its south boundaryline separating it from the State of Illinois. It was organized by act of the Legislature, approved February 2, 1846, and included the present town of Avon, adjoining it on the West. The first town meeting was held at the house of I. D. Marvin, April 1, 1846, when the first ofiicers were elected.”
1879-history-of-rock-county/13-rock-county-ch07-town-histories.md, PDF p. 516 / book p. 520
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. 516 / book p. 520) · open the whole page “The town of Newark is in the southwestern part of the county, its south boundary line separating it from the state of Illinois. It was organized by an act of the legislature, approved February 2, 1846, and included the present town of Avon, adjoining it on the west. The first town meeting was held at the house of I. D. Marvin, April 1, 1846, when the first officers were elected.”
1908-brown-rock-county/31-smaller-cities-villages-towns.md, Vol. 2, PDF p. 195 / book p. 700
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. 2, PDF p. 195 / book p. 700) · open the whole page