1. On November 20, 1861, Wisconsin Governor Louis P. Harvey died while leading the 8th Wisconsin Infantry Regiment in the Battle of Camp Wildcat during the American Civil War. He is the only governor of Wisconsin to have died while in office.

2. In 1905, the University of Wisconsin-Madison beat the University of Chicago 10-0 in football on November 20. This game is considered by many sports historians to be one of the most important in college football history, as it helped establish the University of Wisconsin as a prominent football power.

3. On November 20, 1943, the first regularly scheduled commercial airline flight from Milwaukee's General Mitchell International Airport took off. The flight was operated by American Airlines and headed to New York City.

4. Wisconsin's first female governor, Lucey, was inaugurated on November 20, 1971. She served for two terms and focused on environmental protection and social welfare programs during her time in office.

5. On November 20, 2005, the Green Bay Packers beat the Minnesota Vikings 20-17 in a historic game at Lambeau Field. The game was Brett Favre's 200th consecutive start, breaking the record he had previously shared with Ron Jaworski (who played for the Philadelphia Eagles) for consecutive starts by a quarterback in NFL history.