1. In 1892, the city of Milwaukee was hit by a deadly tornado that killed 17 people and destroyed numerous buildings. The tornado was one of the deadliest in Wisconsin's history.

2. On July 6, 1908, the first professional hockey game was played in Wisconsin. The game was held at the Langlade County Fairgrounds in Antigo, Wisconsin, between the Antigo Athletic Club and the Calumet Miners.

3. In 1933, the famous Wisconsin State Capitol building was completed after 11 years of construction. The building is a stunning example of the Beaux-Arts architectural style and is one of the most recognizable landmarks in Wisconsin.

4. The University of Wisconsin-Madison was founded on July 6, 1848. Today, it is one of the largest and most prestigious universities in the United States, with a student body of over 45,000.

5. On July 6, 1985, a record-breaking heatwave hit Wisconsin, with temperatures reaching as high as 105 degrees Fahrenheit. The heatwave lasted for over a week and resulted in numerous heat-related deaths and illnesses throughout the state.