Duluth celebrates its first Svenskarnas Dag, the Swedish midsummer festival, with a parade, music, and speeches. St. Paul would follow suit in 1933 to bring together its own residents of Swedish descent.

The Discoverer, a Danish passenger ship, calls at Duluth. No international passenger ships would return to Minnesota for twenty-two years.

African American leaders in the Twin Cities reject an offer to establish an "all-Negro" unit of the Minnesota National Guard. The group tells state adjutant general Ellard A. Walsh that it cannot accept the offer as a matter of principle. Walsh had proposed forming a truck company so that Minnesota's African Americans could take advantage of a provision in the draft law that exempted guardsmen from the draft.

Territorial governor Alexander Ramsey arrives in St. Paul with his wife, Anna, their son, and a nurse. The governor had stayed in Mendota with Henry H. Sibley for about a month before moving to the capital. Ramsey, who was thirty-four, found a town of 800 people and no preparations for his arrival. The family set up house in an abandoned saloon.

Congress appropriates $7,000 to survey the boundary line between the Ojibwe and Dakota, which had been agreed upon in the treaty of 1825 at Prairie du Chien. The line is eventually drawn from the Chippewa River to Otter Tail Lake.

Sweden's Prince Bertil unveils a tablet to Jacob Fahlstrom, first Swede in Minnesota. A fur trader who arrived in Minnesota in the 1820s, Fahlstrom settled near Afton and died there in 1859. The plaque is at the intersection of Robert Street and Kellogg Boulevard in St. Paul.

President Dwight D. Eisenhower and Queen Elizabeth II open the St. Lawrence Seaway in an official ceremony in Montreal. The seaway connects the Great Lakes to the Atlantic Ocean, making Duluth and other lake cities international ports.

The International Wolf Center opens to the public in Ely. Visitors enjoy educational exhibits, brush shoulders with international wolf experts, and peer at the center’s four wolf pups.

Rudolph G."Rudy" Perpich is born in Carson Lake, near Hibbing. The Iron Ranger became one of Minnesota's most colorful governors, serving from 1976 to 1979 and 1983 to 1991. He sent National Guard troops to Austin to quell tensions during the Hormel strike in 1986, and he signed a law returning the state's drinking age to twenty-one. During his terms the state lottery was established, and education was heavily funded. He died on November 21, 1995.

Heiress Elizabeth Congdon and her nurse are murdered at Glensheen mansion in Duluth. In a sensational trial, Congdon's son-in-law, Roger Caldwell, is convicted of the murders. New evidence in the case sets him free a year later but incriminates his wife, Marjorie. Acquitted of these murders but found guilty in two arson cases, Marjorie is sentenced to serve time in an Arizona prison.

Congress extends the area of Michigan Territory, bringing present-day Minnesota under its domain. The boundary persisted until the creation of Wisconsin Territory in 1836.

St. Paul mayor John Prince joins the crowd on the first train trip from the capital to Minneapolis. This railroad, the St. Paul and Pacific, later became part of the Great Northern Railway.