1. On June 4, 1873, the Milwaukee and St. Paul Railroad Company opened the first railroad line in Wisconsin, which ran from Milwaukee to La Crosse.

2. In 1919, on June 4th, the Wisconsin legislature ratified the 19th Amendment to the U.S. Constitution, which granted women the right to vote.

3. On June 4, 1964, Marquette University in Milwaukee awarded an honorary degree to President Lyndon B. Johnson, who delivered the commencement address.

4. In 1997, on June 4th, the Wisconsin State Assembly passed a bill designating the dairy cow as Wisconsin's official domestic animal.

5. On June 4, 2006, Green Bay Packers quarterback Brett Favre was inducted into the Wisconsin Athletic Hall of Fame, becoming the first player in NFL history to receive such an honor.