1. On April 19, 1944, the University of Wisconsin-Madison was the site of a riot as students protested a new rule which required freshmen to wear beanies on campus. The riot caused significant damage to university buildings and resulted in 38 arrests.

2. On April 19, 1980, an F3 tornado struck the town of Brandon, Wisconsin, killing nine people and causing significant damage to the community. The tornado was part of a larger outbreak of tornadoes which swept through the Midwest on that day.

3. In 1865, on April 19th, the United States Civil War officially ended with the surrender of Confederate General Robert E. Lee to Union General Ulysses S. Grant . This event marked the end of several years of bloody conflict and set the stage for the reunification of the United States.

4. On April 19, 1964, the Milwaukee Braves baseball team played their first game in Milwaukee County Stadium. The team had relocated from Boston and became a beloved fixture of the Wisconsin sports scene until their move to Atlanta in 1966.

5. On April 19, 1847, the first German settlement in Wisconsin was established in the town of Herman. The area became a hub for German-American culture and traditions, and today attracts visitors who come to experience the region's beer, brats, and historic architecture.