Ontario's Historical Plaques 

Discover Ontario's history as told through its plaques

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The Boundary Waters Treaty of 1909

Boundary Waters Treaty of 1909

Photo by contributor Glen Curnoe - Posted March, 2010

Plaque Location

The County of Middlesex
The City of London
At the west end of Grosvenor Street in Gibbons Park
at the east end of the bridge over the river
[Note: One of my website visitors reports that, as of September 2015, the plaque is no longer here.
Its current location is unknown.]

Coordinates: N 42 59.919 W 81 15.836


Click here for a larger map

Plaque Text

This treaty was negotiated by the United States and Great Britain to establish mechanisms for resolving issues over the use of water along the Canadian-American boundary. George Gibbons, a lawyer from London, Ontario, was a driving force throughout the negotiations. The treaty created the International Joint Commission, with equal Canadian and American representation, to prevent and settle disputes. At a time when the country had not yet achieved full national sovereignty, the treaty enhanced Canada's powers in its relations with both Great Britain and the United States.



London Plaques

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