1. On March 13, 1849, the University of Wisconsin-Madison was founded. It was the first public university in the state and the first state university in the Midwest.

2. On March 13, 1865, the state of Wisconsin ratified the 13th Amendment to the U.S. Constitution, which abolished slavery and involuntary servitude.

3. March 13, 1933, marked the start of the Great Depression-era "Bank Holiday" in Wisconsin. Governor Philip La Follette closed all the state's banks for four days to prevent a run on deposits.

4. On March 13, 1964, Milwaukee Bucks center Kareem Abdul-Jabbar (then known as Lew Alcindor) scored a state high school record of 90 points in a single game for his team, Power Memorial.

5. March 13, 2004, was the date of the largest single-day protest in Wisconsin history. Over 150,000 people demonstrated in Madison against the Iraq War, making it the largest protest outside of Washington D.C. at that time.