1. In 1932, Wisconsin Governor Philip La Follette declared a state of emergency due to a major coal and power strike. The strike lasted for nearly two months and effectively shut down many factories and businesses, leading to significant economic losses.

2. In 1822, the Menominee Indian Tribe signed a treaty with the United States government, ceding over four million acres of tribal land in Wisconsin to the federal government. The treaty caused significant controversy and resentment among many Menominee leaders and members.

3. In 1890, legendary Wisconsin inventor and businessman Hiram Maxim successfully demonstrated his "Maxim Gun," a rapid-fire machine gun that played a major role in modern warfare. Maxim previously invented many other groundbreaking devices, including the hair-curling iron and the first fully automatic steam-powered machine gun.

4. In 1961, Wisconsin native and future Green Bay Packers coach Mike Holmgren graduated from San Francisco State University. Holmgren went on to become one of the most successful coaches in NFL history, winning two Super Bowl titles with the Packers and later serving as head coach for the Seattle Seahawks and the Cleveland Browns.

5. In 2017, the Wisconsin Innocence Project helped exonerate Chaunte Ott, a Milwaukee man who spent 13 years in prison for a crime he did not commit. Ott was convicted of a 1995 murder based on flawed eyewitness testimony and other problematic evidence, but DNA testing later proved his innocence.