What is the Ogdensburg Agreement of 1940?

The Ogdensburg Agreement of 1940 was a bilateral agreement between the United States and Canada that established a framework for mutual defense and cooperation during World War II. Signed in Ogdensburg, New York, by U.S. President Franklin D. Roosevelt and Canadian Prime Minister William Lyon Mackenzie King, it led to the creation of the Permanent Joint Board on Defense. This board facilitated collaboration on military strategy and defense resources, marking a significant step in U.S.-Canada relations and military cooperation during a critical period. The agreement laid the groundwork for future defense partnerships between the two nations.