1. On May 2, 1863, the first edition of the "Waukesha Freeman" newspaper was published. The paper, which is still in operation today, is one of the oldest continuously published newspapers in the state of Wisconsin.

2. On May 2, 1952, a train carrying military equipment derailed in Milwaukee, causing an explosion and fire that destroyed several buildings and killed one person. The cause of the accident was attributed to a broken rail.

3. In 1973, May 2 was designated as "Green County Dairy Day" in recognition of the importance of the dairy industry to the local economy. The annual celebration includes a parade, cheese tasting, and other dairy-themed festivities.

4. On May 2, 2012, the Milwaukee Brewers baseball team scored a franchise-record 23 runs in a game against the Pittsburgh Pirates. The Brewers went on to win the game 23-4, with every starter recording at least one hit.

5. In 1848, Wisconsin became the 30th state to join the Union. Although the official statehood date is May 29, the territorial legislature approved the state constitution on May 2, paving the way for Wisconsin's admission to the United States.