41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
485042
41420
2
Public Timelines
FAQ

jun 26, 1959 - St. Lawrence Seaway

Description:

Saint Lawrence Seaway, international waterway, 2,342 mi (3,769 km) long, consisting of a system of canals, dams, and locks in the St. Lawrence River and connecting channels between the Great Lakes opened 1959. It provides passage for oceangoing vessels into central North America.

Added to timeline:

Date:

jun 26, 1959
Now
~ 66 years ago