This week in state history

Historic Minnesota events with anniversaries this week.

June 26

1959 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.

June 27

1977 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 and sentenced to life but faulty evidence leads to a retrial and conviction but just a five-year sentence. He commi...