1. The University of Wisconsin-Madison was founded on March 5, 1849. Originally called the University of Wisconsin, it is the oldest and largest public university in the state.

2. In 1904, the first Madison Square Garden opened in New York City, featuring an indoor track for bicycle races. One of the competitors was Eddie Bald, a Wisconsin native who went on to become a champion cyclist and coach.

3. In 1953, the Milwaukee Braves baseball team began spring training in Bradenton, Florida. This was significant because the Braves had just moved to Milwaukee from Boston and represented the first major league baseball team in Wisconsin.

4. On March 5, 1970, a bomb exploded at the Army Mathematics Research Center on the University of Wisconsin-Madison campus. One researcher was killed and three others were injured. The incident sparked protests against the Vietnam War and the military presence on college campuses.

5. In 2011, the Green Bay Packers won Super Bowl XLV, defeating the Pittsburgh Steelers 31-25. The victory marked the fourth Super Bowl win for the Packers, who are the only community-owned team in the NFL.