<Tr> <Th> Location </Th> <Td> Washington, D.C., United States </Td> </Tr> <Tr> <Th> Original signatories </Th> <Td> UK USA </Td> </Tr> <P> The Oregon Treaty is a treaty between the United Kingdom and the United States that was signed on June 15, 1846, in Washington, D.C. Signed under the presidency of James K. Polk, the treaty brought an end to the Oregon boundary dispute by settling competing American and British claims to the Oregon Country; the area had been jointly occupied by both Britain and the U.S. since the Treaty of 1818 . </P> <P> The Treaty of 1818 set the boundary between the United States and British North America along the 49th parallel of north latitude from Minnesota to the "Stony Mountains" (now known as the Rocky Mountains). The region west of those mountains was known to the Americans as the Oregon Country and to the British as the Columbia Department or Columbia District of the Hudson's Bay Company . (Also included in the region was the southern portion of another fur district, New Caledonia .) The treaty provided for joint control of that land for ten years . Both countries could claim land and both were guaranteed free navigation throughout . </P>

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