September 6, 1834
The legislative council of Michigan Territory created Milwaukee county out of the southern portion of Brown county; the village of Milwaukee was made the county seat.
The regionGrade A · 1 independent source
The evidence
“On September 6, 1834, the legislative council of that territory created Milwaukee county out of the southern portion of Brown county. The village of Milwaukee was made a county seat.”
1908-brown-rock-county/05-historic-evolution.md, Vol. 1, PDF p. 128 / book p. 114
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