1. In 1924, the Wisconsin state flag was adopted on June 12th. The flag features a blue background with the state coat of arms and the word "Wisconsin" above it.

2. On June 12th, 1899, the Wisconsin State Capitol building was completed. The building, located in Madison, is the tallest building in the city and has a dome made of over 1 million pounds of granite.

3. June 12th, 1959 marked the opening of the Wisconsin State Fair Park in West Allis. The fairgrounds feature a variety of events, including the annual Wisconsin State Fair.

4. In 1863, Wisconsin became the first state to pass a law allowing women to own property in their own name. This law was passed on June 12th, nearly 60 years before the passage of the 19th amendment, which granted women the right to vote.

5. On June 12th, 1978, the Milwaukee Brewers baseball team played its first game at County Stadium in Milwaukee. The team had previously played in Seattle as the Pilots before moving to Milwaukee and becoming the Brewers.