The territorial legislature creates twelve counties, all named in honor of individuals who played a significant role in the state's history. Brown is named for pioneer Joseph R.

The pink-and-white lady slipper (Cypripedium reginae) is named the state flower by the legislature (following the discovery that the previously chosen variety of lady slipper is not native to Minnesota). This wild orchid has a brilliantly colored bloom and thrives in damp woods, swamps, and bogs; it was protected by a state law passed in 1925 that forbid picking the flower.

Minnesota loses to Canada two and a half acres of water area from the Northwest Angle (the northwestern point of Lake of the Woods) when the United States and the Dominion of Canada sign an agreement that more accurately defines the international boundary between the two countries established by the Webster-Ashburton Treaty of 1842.

Minnesota is nicknamed the Gopher State. The legislature had guaranteed a $5 million loan to railroad interests, and a cartoon showing a railroad car of corrupt men being pulled by nine striped rodents with human heads (representing legislators and railroad promoters) is printed on this date.

Gerry Spiess departs from Chesapeake Bay in his ten-foot sailboat Yankee Girl, built in his White Bear Lake garage in 1977. After a solo voyage across the Atlantic, Spiess arrives in Falmouth, England, on July 24, 1979.

Harper and Brothers publishes the first English edition of Ole E. Rolvaag's Giants in the Earth, a novel of Norwegian immigration to the Great Plains. Rolvaag, a professor at St. Olaf College, wrote the original text in Norwegian.

Congress passes a law extending citizenship to all Native Americans in the United States.

Minnesota Territory is legally organized when territorial governor Alexander Ramsey signs a proclamation written by Judge David Cooper.

Amelia Earhart speaks to the Women's City Club in St. Paul. Formed in 1921, the club valued social, cultural, political, and intellectual pursuits and also hosted speakers Gertrude Stein and T. S. Eliot.

The Minnesota Twins play their final game at Metropolitan Stadium.