January 1842
The term of office of one class of county commissioners fell due, the earlier act having scheduled the three classes' terms to expire in January 1842, 1841, and 1840 respectively.
Rock CountyGrade A · 1 independent source
The evidence
“third Monday of March following ; directed the canvassing of the votes ; divided the Commissioners elected into three classes, whose term of office should expire in January, 1842, 1841 and 1840, respectively, and devolved upon them all the duties specified in the preceding act.”
1879-history-of-rock-county/09-rock-county-ch03-pioneer-reminiscences.md, PDF p. 354
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. 354) · open the whole page