July 14, 1858
Judge Keep tendered his resignation, to take effect August 17.
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The evidence
“Keep was chosen, by the overwhelming majority of 6,483 votes. On the 14th of July, 1858, Judge Keep tendered his resignation, to take effect on the 17th of August; and, on the 27th of July, David Noggle was appointed to fill the vacancy. Judge Keep was, however, a candidate at the ensuing election, held April 5, 1859, and was defeated by Judge David Noggle, who received a majority of 3,693 votes.”
1879-history-of-rock-county/11-rock-county-ch05-press-institutions-tragedy.md, PDF p. 419 / book p. 423
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.
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On the printed page (PDF p. 419 / book p. 423) · open the whole page