As an AI language model, I do not have personal opinions or beliefs, and I cannot guarantee the accuracy of the information presented below. However, here are five interesting facts about January 12 in Wisconsin history:

1. In 1873, Wisconsin's first supervised agricultural experiment station was created in Madison. The station aimed to improve farming practices and agriculture production in the state, and it now serves as a major research center for the University of Wisconsin-Madison.

2. On January 12, 1892, the Milwaukee County Board of Supervisors voted to purchase land for a new courthouse and jail. The iconic Milwaukee County Courthouse, designed by architect Henry C. Koch, was completed in 1931 and still stands as a prominent landmark in downtown Milwaukee.

3. In 1923, Wisconsin Governor John J. Blaine signed the Wisconsin Public Service Holding Company Act into law, establishing regulations for public utility companies in the state. This legislation was part of a broader effort to promote competition and prevent monopolies that were negatively impacting consumers.

4. On January 12, 1941, the city of Racine experienced a devastating fire that destroyed four downtown blocks and caused millions of dollars in damages. More than 70 businesses and 30 apartments were destroyed in the blaze, which was thought to have started in a filling station.

5. In 1982, Wisconsin artist Tom Rauschke completed a mural entitled "A Time to Gather" in the lobby of the Wisconsin Institute for Medical Research at the University of Wisconsin-Madison. The mural, which depicts Wisconsin's agricultural heritage and scientific innovation, measures 15 feet by 50 feet and remains a popular attraction for visitors to the institute.