1. On April 25, 1846, a group of German immigrants founded the city of Milwaukee's first German newspaper, Der Seebote. It was one of many German language newspapers that played a significant role in the city's history.

2. On April 25, 1892, the Wisconsin Central Railroad was incorporated in Wisconsin. The railroad was originally intended to connect the Great Lakes to the Mississippi River and played an important role in the state's economy and development.

3. In 1953, on April 25th, the Green Bay Packers selected legendary quarterback Bart Starr in the 17th round of the NFL Draft. Starr would go on to lead the team to five NFL championships and was inducted into the Pro Football Hall of Fame.

4. On April 25, 1974, Governor Patrick Lucey signed legislation officially designating the American Robin as the state bird of Wisconsin. The bird is known for its melodious singing and for being a symbol of spring.

5. In 2000, on April 25th, Governor Tommy Thompson signed legislation designating the sugar maple as Wisconsin's official state tree. The sugar maple is an important species in the state's forests and is the source of Wisconsin's famous maple syrup.