The constitutional convention met at Detroit.

The evidence

• “In April, 1835, an election was held to select delegates to a convention called by the legislative council to prepare a state constitution. This convention met at Detroit, May 11, 1835, and completed its labors June 29.”

  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