Anoka, Minnesota, became the Halloween Capital of the World in 1937. The title recognizes its status as one of the first cities to discourage Halloween tricks by hosting a city-wide party: the Anoka Halloween Celebration.

Started in 1940 by a group of businessmen looking to promote their city nationally, the Minneapolis Aquatennial has been drawing crowds every July since for parades, pageantry, and crowd events, highlighting Minneapolis’s status as the “City of Lakes.”

Governor Mark Dayton issues a proclamation declaring this date to be the first state-wide Indigenous Peoples' Day, celebrated in place of Columbus Day. Grand Rapids, Minneapolis, and Minnesota State University, Mankato, had adopted the holiday in 2014.

Many people suffered from the collapse of Wilbur Foshay’s Public Utilities Consolidated Corporation (PUCC)—chiefly the company’s investors, who lost their money, and Foshay and his associates, who went to prison. But those who suffered most were neither. The tragic figures turned out to be a juror, Genevieve Clark, and her family.

In 1990, workers installed a three-by-six-foot aluminum highway sign reading “Mississippi River” in Russian on the I-94 Dartmouth bridge between St. Paul and Minneapolis. It had been prepared by the Minnesota Department of Transportation’s sign shop in Oakdale for Soviet President Mikhail Gorbachev’s visit to the Twin Cities on June 3. Gorbachev’s motorcade passed the sign on that day as he and his wife, Raisa, began a historic visit that established a friendly relationship between the Soviet Union and the North Star State and signaled the approaching end of the Cold War.

The evacuation of Georgetown took place during the US–Dakota War of 1862 when the town’s residents fled to safety on August 22—five days after the war’s start. Only the families of Randolph M. Probstfield and E. R. Hutchinson chose to return afterwards.

Black students at the University of Minnesota staged a twenty-four-hour protest at Morrill Hall, the school’s administrative building, in 1969. The demonstration led to the creation of the university’s Afro-American Studies Department.

Charles Thompson Memorial Hall is opened at 1824 Marshall Avenue in St. Paul with a formal dedication ceremony. It is the first clubhouse for the deaf in the world and is later listed on the National Register of Historic Places (2011).

The Open Dating Law of 1973 is implemented, requiring food manufacturers, processors, and packagers to provide quality assurance dates on specified products with a limited shelf life.

Prince dies at his Chanhassen home, Paisley Park, from an accidental overdose of the opioid fentanyl. Millions of fans around the world mourn his loss.