1. In 1832, the Black Hawk War officially ended in Wisconsin with the signing of the Treaty of Fort Armstrong. The war was fought between the United States and several Native American tribes led by Black Hawk, who opposed the forced removal of their people from their ancestral lands.

2. In 1862, the Battle of New Auburn took place during the Civil War. It was a small engagement between Union soldiers and Confederate raiders, resulting in the capture of several Confederate soldiers.

3. In 1917, the first commercial radio station in Wisconsin, WIBA, began broadcasting in Madison. The station was originally operated by the University of Wisconsin and later became a part of the Clear Channel Communications network.

4. In 1952, the Milwaukee Braves won their first National League pennant. Led by players like Hank Aaron, Eddie Mathews, and Warren Spahn, the Braves went on to win the World Series the following year.

5. In 2005, the Milwaukee Brewers played their final game at County Stadium before moving to their new home, Miller Park. County Stadium had been the Brewers' home since 1970 and was also the site of numerous concerts and other events over the years.