The Minnesota Twins retire number 3 in honor of Harmon Killebrew.

St. Paul's Ford Motor Company plant assembles its first car, which St. Paul mayor Arthur E. Nelson, Minneapolis mayor George E. Leach, and Ford executives A. W. Bendick and V. E. Nystrom ride in during a ceremony. The plant soon produces five hundred cars each day.

The Catholic Archdiocese of St. Paul is established.

In response to a federal law mandating that all Dakota be removed from the state as punishment for the US–Dakota War of 1862, 1,310 captives at Fort Snelling, mostly women and children, are loaded onto two steamboats to be transported to a reservation on Crow Creek in southeastern Dakota Territory. Soon after arriving at the reservation, many would die of disease and hunger.

Charlotte Day, founder of the Red School House (St. Paul), dies. A member of the Bois Forte Band of Ojibwe, Day founded the school to meet the needs of Native American children, teaching Native languages and culture as well as English reading and math skills in Native contexts.

After passing through the St. Lawrence Seaway, which had opened on April 25, the British freighter Ramon de Larrinaga becomes the first deep draft ocean ship to enter Duluth's harbor.

John Campbell, head of an outlaw band that had murdered the Jewett family of Garden City, is hanged by a crowd of eight hundred angry men in Mankato. Caught in Mr. Jewett's clothes, Campbell claims during his mock trial that Indians had committed the crime, captured him, and forced him to wear the victim's clothes. The "jury" finds him guilty but recommends waiting for a real trial before handing down his punishment. The mob persists, however, and Campbell eventually confesses to the crime.

Nobel laureate Rigoberta Menchú of Guatemala visits the Twin Cities as a guest of the Minneapolis American Indian Center.

The Steger International Polar Expedition, led by Will Steger and Paul Schurke of Ely, reaches the North Pole, and team member Ann Bancroft of St. Paul is the first woman to cross the Arctic to the pole.

A baseball game is cancelled at Metropolitan Stadium due to snow accumulation of one inch, the latest snow-out in Minnesota Twins history.