1. On August 13, 1951, Green Bay Packers legend Bart Starr signed a contract with the team, beginning his storied career as a quarterback. Over his 16 seasons with the Packers, Starr led the team to five NFL championships, including victories in the first two Super Bowls.

2. In 1935, legendary Wisconsin senator Robert M. La Follette Sr. passed away on August 13. La Follette was a prominent progressive voice in American politics, advocating for policies such as the direct election of senators and anti-trust legislation. He served in the Senate from 1906 until his death.

3. On August 13, 1991, Milwaukee County Supervisor Peggy Rosenzweig made history by becoming the first openly gay elected official in Wisconsin. Rosenzweig served on the County Board from 1990 until 1998 and was a prominent advocate for LGBTQ+ rights and equality.

4. The Wisconsin State Fair is a major event in the state's cultural calendar, and August 13 has seen its fair share of memorable moments at the event. In 2005, for example, actor Chuck Norris made an appearance at the fair, signing autographs and meeting fans.

5. Wisconsin has a rich tradition of brewing beer, and August 13, 2016 saw the grand opening of a new brewery in the state. MobCraft Beer, located in Milwaukee, offers a variety of unique and experimental brews, including beers made with fruits, vegetables, and spices. The brewery has been praised for its commitment to innovation and creativity in the craft beer industry.