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Why did we get the Oregon Territory?

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The Oregon Country had been claimed by various nations, including Spain, Russia, Great Britain and the U.S., but the U.S. and Great Britain soon made a joint occupation agreement, in 1818, until it was superseded by the Oregon Treaty of 1846, which established it as a U.S. state at the 49th parallel. read more

Originally inhabited by Native Americans, the region that became the Oregon Territory was explored by Europeans first by sea. The first documented voyage of exploration was made in 1777 by the Spanish, and both British and American vessels visited the region not long thereafter. read more

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