1. May 17, 1954: The United States Supreme Court issued its landmark Brown v. Board of Education decision, which ruled that segregation in public schools was unconstitutional. This decision had a significant impact on Minnesota, where some schools were still segregated at the time.

2. May 17, 1978: The first legal casino opened in Minnesota on the Leech Lake Reservation. This casino paved the way for the expansion of Indian gaming across the state, which now generates billions of dollars in revenue each year.

3. May 17, 1996: The Mall of America, located in Bloomington, Minnesota, celebrated its fifth anniversary. Since opening in 1992, the mall has become a major tourist attraction, featuring over 500 stores and attracting over 40 million visitors annually.

4. May 17, 2013: Minnesota became the twelfth state in the United States to legalize same-sex marriage. The legislation was signed into law by Governor Mark Dayton and went into effect on August 1st of that year.

5. May 17, 2020: The death of George Floyd, an African American man, in police custody in Minneapolis sparked protests across the country and ignited the Black Lives Matter movement. The incident led to a renewed focus on police reform and racial justice in Minnesota and beyond.