1. In 1865, the Thirteenth Amendment to the United States Constitution was officially ratified in Wisconsin. This amendment abolished slavery and involuntary servitude, ending a long and contentious debate over the future of slavery in America.

2. On September 30, 1908, the first commercial flight in Wisconsin took place when an airplane piloted by Archibald Hoxsey made a brief trip over Milwaukee's Grand Avenue. This event marked an important milestone in the history of aviation and would eventually lead to the widespread adoption of air travel as a means of transportation.

3. In 1955, the University of Wisconsin-Milwaukee was officially established after several years of lobbying and fundraising by local business and community leaders. Today, the university is one of the largest and most respected public universities in the Midwest, offering a wide range of undergraduate and graduate programs.

4. On September 30, 1962, President John F. Kennedy delivered a speech at the University of Wisconsin-Madison in which he celebrated the importance of education and intellectualism in American society. The speech is widely regarded as one of the most powerful and insightful speeches ever given by an American president.

5. In 1984, the Milwaukee Brewers won the American League East Division title, securing their first-ever postseason appearance in franchise history. Led by All-Star players like Pete Vuckovich, Cecil Cooper, and Robin Yount, the Brewers would go on to make a dramatic run to the World Series before falling to the St. Louis Cardinals in seven games.