Floyd B. Olson is born in Minneapolis. He was the first Farmer-Labor governor, serving from 1931 until his death on August 22, 1936. He is remembered for implementing New Deal policies and for his skilled negotiating during the 1933 Hormel strike in Austin and the 1934 teamsters' strike in Minneapolis.

Charles M. Loring is born in Portland, Maine. As Minneapolis park commissioner from 1883 to 1890, he would be a principal player in the development of the city's system of parks, public grounds, and children's playgrounds. He would be the driving force behind creation of Victory Memorial Drive; Loring Community School is named for him. Central Park would be renamed Loring Park, also in his honor.

Two members of Alcoholics Anonymous visit Minnesota to watch a football game and to contact people who have asked for help with their drinking problems. They connect with one, B. Patrick Cronin, who later dated his sobriety to November 11, 1940, and helped start more than 450 AA groups in the Midwest.

George A. Hormel launches his packinghouse in Austin, operating out of an old creamery.

In the aftermath of the US‒Dakota War, a mob of settler colonists attacks a group of Dakota captives in New Ulm. The troops guarding the captives manage to restore order. Five days later, in Henderson, settler colonists attack Dakota captives being marched to Fort Snelling. They kill one Dakota infant before soldiers disperse the crowd.

Minnesota citizens are allowed to vote for all nine of the state's congressional seats because the legislature had failed to reapportion the districts following the census of 1930.

The old Mendota bridge to Fort Snelling opens and is dedicated to the men of the 151st Field Artillery who had been killed in World War I.

The Kensington Runestone is discovered on Olof Ohman's farm, near Alexandria. The stone tells of a group of Vikings who traveled to Minnesota in 1362, but its authenticity has long been the subject of debate.

Horace Austin, sixth governor of Minnesota, dies in Minneapolis. He was born on October 15, 1831, in Canterbury, Connecticut. After serving as judge in Minnesota's sixth district, he won the governor's seat over Democrat George L. Otis in 1869. As governor, Austin established a state board of health, divided the state into three Congressional districts, and initiated a geological and natural history survey supervised by the state university.

Northfield illuminates its streets by installing sixty-seven electric lights.