1. In 1830, August 25th marked the day that Lewis Cass, governor of the Michigan Territory, signed a treaty with the Menominee Tribe. The Treaty of Prairie du Chien ceded over 3 million acres of Menominee land to the United States.

2. On August 25, 1920, Wisconsin became the 34th state to ratify the 19th Amendment, which granted women the right to vote. The amendment was officially certified on August 26th, 1920.

3. In 1944, a deadly tornado hit the city of Ladysmith, Wisconsin on August 25th. The EF4 tornado caused extensive damage and claimed the lives of 9 people.

4. August 25, 1955 marked the day that Wisconsin's first public television station, WHA-TV, went on the air. Today, WHA-TV is known as Wisconsin Public Television and is based in Madison.

5. In 1993, August 25th became the first official "Wisconsin Day" as proclaimed by Governor Tommy Thompson. The day is meant to celebrate Wisconsin's unique culture, history, and traditions.