March 19, 1860
The Janesville daily Gazette changed from a morning to an evening paper.
Rock CountyGrade A · 1 independent source
The evidence
“Roberts city editor and Mr, Wilcox business manager. The daily was changed from a morning issue to an evening paper on March 19, 1860, and this arrangement continued till 1870. July 1, 1870, the "Gazette" outfit was purchased by General James Bintliff and R.”
1908-brown-rock-county/24-janesville-press.md, Vol. 1, PDF p. 536 / book p. 497
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
On the printed page (Vol. 1, PDF p. 536 / book p. 497) · open the whole page