1. On March 16, 1855, the Wisconsin State Agricultural Society was organized in Madison. This group was instrumental in promoting agriculture in the state and organizing county fairs.

2. Wisconsin's first law library was established on March 16, 1882, in Milwaukee. This important resource allowed lawyers and judges access to legal materials, which was crucial for the development of the legal profession in Wisconsin.

3. The first Wisconsin State Capitol building was destroyed by fire on March 16, 1904. This devastating event prompted the construction of the current Capitol building, which was completed in 1917.

4. On March 16, 1945, the University of Wisconsin announced that physicist Enrico Fermi had been awarded the Nobel Prize in Physics. Fermi is known for his work on nuclear reactors and for his role in the Manhattan Project.

5. March 16, 2002, marked the opening of Miller Park in Milwaukee. This state-of-the-art baseball stadium is home to the Milwaukee Brewers and features a retractable roof, a fan-shaped convertible roof, and a unique glass wall that offers views of downtown Milwaukee.