25/04/1959 St. Lawrence Seaway opened to ships going from Atlantic to Great Lakes
Seaway Opened (1959)
The Story of the St. Lawrence Seaway
The Saint Lawrence Seaway is a system of locks, canals, and channels in Canada and the United States that permit ocean-going vessels to travel from the Atlantic Ocean to the Great Lakes. The seaway was formally opened by Queen Elizabeth II and President Dwight D. Eisenhower.
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