1. Reopening of Wisconsin: On June 1, 2020, Wisconsin entered the second phase of reopening from the COVID-19 shutdown. The state allowed restaurants to reopen indoor seating, and bars to operate at limited capacity. This was a significant step forward for the state, which was one of the first to implement stringent shutdown measures.

2. Enactment of Same-Sex Marriage Ban: On June 1, 2006, Wisconsin became the first state to enact a constitutional amendment banning same-sex marriage. The amendment, which was approved by 60% of voters, prohibited Wisconsin from recognizing marriages performed in other states and countries. The ban was overturned in 2014 by a federal court, which ruled it unconstitutional.

3. First State Fair: On June 1, 1851, the Wisconsin State Agricultural Society held its first state fair in Janesville. The fair featured livestock exhibits, agricultural displays, and entertainment. Today, the Wisconsin State Fair is one of the largest fairs in the country, attracting over one million visitors.

4. Birth of Frank Lloyd Wright: On June 1, 1867, Frank Lloyd Wright, one of America's most famous architects, was born in Richland Center, Wisconsin. Wright designed many iconic buildings, including the Guggenheim Museum in New York City and the Fallingwater house in Pennsylvania. He is considered a pioneer of modern architecture.

5. Flag Day: On June 1, 1916, President Woodrow Wilson issued a proclamation establishing June 14 as Flag Day. The day commemorates the adoption of the American flag by the Continental Congress in 1777. Wisconsin is known for its strong patriotic traditions and celebrates Flag Day with parades, ceremonies, and special events.