1. Wisconsin became a state: On October 26, 1848, Wisconsin officially became the 30th state of the United States of America. This came after various cultural and political changes, including the influx of German and Scandinavian immigrants.

2. World Series victory: On October 26, 1957, the Milwaukee Braves won the World Series against the New York Yankees. This was the first and only championship for the team during their time in Milwaukee before moving to Atlanta.

3. Dairyland Greyhound Park opened: In 1989, the Dairyland Greyhound Park officially opened in Kenosha, Wisconsin. This park was the first legal dog racing track in the state and attracted thousands of visitors during its operation until its eventual closure in 2009.

4. First snowfall: October 26, 1913, saw the earliest recorded snowfall in Eau Claire, Wisconsin. Over two inches of snow fell on the city, causing damage to crops and early snowmen to be constructed.

5. Circus train disaster: On October 26, 1883, a circus train traveling from Milwaukee to Chicago derailed in the town of Geneva, Wisconsin. The accident claimed the lives of over 50 people, both performers and animals, marking it as one of the deadliest circus train accidents in U.S. history.