1. The first Flag Day was celebrated in Wisconsin in 1916: Bernard J. Cigrand, a Wisconsin schoolteacher, is credited with the idea of observing June 14th as Flag Day. He spent years advocating for the day to be recognized, and in 1916, Wisconsin became the first state to officially recognize Flag Day with a proclamation by Governor Emanuel L. Philipp. Eventually, President Woodrow Wilson signed a proclamation in 1917 declaring June 14th as National Flag Day.

2. The Fox River Navigational System was dedicated on June 24, 2005: The Fox River Navigational System Authority (FRNSA) was established in 2001 to promote economic development along the Fox River and to restore navigation from Lake Winnebago to Green Bay. The first segment of the system, which consisted of dredging the river and building locks and dams, was completed in 2005, and the entire project was officially dedicated on June 24th of that year.

3. The USS Wisconsin was commissioned on June 24, 1944: The USS Wisconsin (BB-64) is an Iowa-class battleship that served in the U.S. Navy during World War II, the Korean War, and the Gulf War. The ship was commissioned on June 24, 1944, and went on to earn five battle stars for its service during World War II. Today, the USS Wisconsin is a museum ship in Norfolk, Virginia.

4. Wisconsin became a state on June 15, 1848: While this technically isn't a June 24th fact, Wisconsin's statehood anniversary falls within the month of June. Wisconsin was the 30th state to join the Union, and since then, it has contributed significantly to American culture, politics, and economics. Wisconsin is the birthplace of many famous Americans, including Frank Lloyd Wright, Orson Welles, and Laura Ingalls Wilder, and it is home to many iconic foods and traditions, such as cheese curds, bratwurst, and Friday fish fry.

5. The world's largest bratwurst was cooked in Wisconsin in 2018: On June 24th, 2018, the city of Sheboygan, Wisconsin, cooked the world's largest bratwurst at Brat Days, an annual festival that celebrates the city's German heritage. The bratwurst was over 120 feet long and weighed more than 5,000 pounds, and it was cooked over an open flame for eight hours using a custom-made grill. The event was attended by thousands of people, and the bratwurst was served with all the classic Wisconsin toppings, including sauerkraut, onions, and mustard.