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The Saint Lawrence Seaway, linking the North American Great Lakes and the Atlantic Ocean, officially opens to shipping.
Related Wikipedia articles
St. Lawrence Seaway
Locks and canals in the US and Canada
The St. Lawrence Seaway is a system of rivers, locks, canals and channels in Eastern Canada and Northern United States that permits oceangoing vessels to travel from the Atlantic Ocean to the Great Lakes of North America, as far inland as Duluth, Minnesota, at the western end of…Source: Wikipedia (CC BY-SA)
Great Lakes
Group of lakes in North America
The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes spanning the Canada–United States border. The five lakes are Superior, Michigan, Huron, Erie, and Ontario. The Great Lakes Waterway enables modern travel and…Source: Wikipedia (CC BY-SA)