William Williams is hanged in a bungled execution in the Ramsey County jail for the murders of a teenaged boy, with whom he was sexually involved, and the boy's mother. Williams is the twenty-fifth man and the last person of twenty-six legally executed in the state, as capital punishment was abolished in Minnesota in 1911 following public revulsion and outcry caused by vivid newspaper accounts of his protracted sufferings, due to a too-long rope.

Charles Evans Hughes, secretary of state and future Supreme Court justice, gives a speech in which he praises President Calvin Coolidge, blasts third-party politics, and condemns corrupt politicians, in front of a crowd of 10,000 in St. Paul.

James H. Burrell becomes the first African American member of the St. Paul police force, and the first documented African American police officer in Minnesota.

Duluth mayor John Fedo goes on trial, charged with accepting a bribe and misusing city money. He was later acquitted.

A railroad line reaches Breckenridge in the Red River valley.

Minnesota residents Jeannette and Jean Piccard ascend in a hydrogen balloon to a record 57,579 feet. Jeanette made a total of six trips into the stratosphere and later served as a consultant for NASA.

Sinclair Lewis's novel Main Street is published. In 1930, the Sauk Centre native would be awarded the Nobel Prize in Literature.

Actress Ethel Barrymore appears in the play Sunday, which runs through October 25 in St. Paul.

Daily mail delivery begins in Cannon City.

The Minnesota Historical Society is incorporated by an act of the territorial legislature, and Alexander Ramsey is elected its first president.