USA HISTORY

Detailed explanation-1: -The Convention of 1818 was a treaty between the United States and Britain that set the 49th parallel of latitude as the boundary between British North America and the US across the West. This remains the boundary today between the two nations.

Detailed explanation-2: -Today in History, 20 October 1818: Under Monroe’s first term as president, Britain and the U.S. signed the Treaty of 1818, which established the boundary between U.S. and Canadian territories at the 49th parallel.

Detailed explanation-3: -The Convention of 1818 set the boundary between the Missouri Territory in the United States and British North America (later Canada) at the forty-ninth parallel. Both agreements reflected the easing of diplomatic tensions that had led to the War of 1812 and marked the beginning of Anglo-American cooperation.

Detailed explanation-4: -On October 20, 1818 a British-American convention clarified the western border between Canada and the United States “as a line from the farthest northwest part of Lake of the Woods to the 49th parallel and thence west to the Rocky Mountains.