events
The Convention of 1818 is signed between the United States and the United Kingdom, which settles the Canada–United States border on the 49th parallel for most of its length.
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Treaty of 1818
Treaty establishing the western US–Canada border
The Convention respecting fisheries, boundary and the restoration of slaves, also known as the London Convention, Anglo-American Convention of 1818, Convention of 1818, or simply the Treaty of 1818, is an international treaty signed in 1818 between the United States and the…Source: Wikipedia (CC BY-SA)
Canada–United States border
International border in North America
The international border between Canada and the United States is the longest in the world by total length. The boundary is 8,891 km (5,525 mi) long. The land border has two sections: Canada's border with the northern tier of the contiguous United States to its south, and with…Source: Wikipedia (CC BY-SA)
49th parallel north
Circle of latitude
The 49th parallel north is a circle of latitude that is 49° north of Earth's equator. It crosses Europe, Asia, the Pacific Ocean, North America, and the Atlantic Ocean.Source: Wikipedia (CC BY-SA)