1. Wisconsin became a state: On July 24, 1848, Wisconsin officially became the 30th state in the United States. After a long territorial period, Wisconsin residents voted in favor of statehood earlier that year, and Congress recognized Wisconsin's status as a state on this day.

2. The start of the Wisconsin State Fair: On July 24, 1851, the first Wisconsin State Fair was held in Janesville. The fair featured livestock exhibits, agricultural demonstrations, and other attractions, and it became an annual tradition that has continued to this day.

3. Lumberjack World Championships: Each year on July 24, the Lumberjack World Championships are held in Hayward, Wisconsin. This event brings together top lumberjack athletes from around the world to compete in various logging and wood chopping competitions.

4. Wisconsin's only national park founded: Apostle Islands National Lakeshore was established on July 24, 1970. This park spans 21 islands and 12 miles of mainland on the shore of Lake Superior, and it is known for its stunning sandstone cliffs, sea caves, and historic lighthouses.

5. Anniversary of a deadly tornado: July 24, 2000, was the date of one of the deadliest tornadoes in Wisconsin history. An F3 tornado touched down in the town of Oakfield, killing one person and injuring dozens more. The storm caused widespread damage and was one of the strongest tornadoes to ever hit Wisconsin.