Janesville Lodge No. 55, F. & A. M. was organized; the passages disagree on the day (P402: June 10; P172: June 13).

The evidence

• “On June 10, 1855, the second Blue Lodge of Masons was organized, being Janesville Lodge No. 55, F. and A. M.”

  1908-brown-rock-county/26-history-of-janesville.md, Vol. 2, PDF p. 37 / book p. 551

  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