It was owned by the Indians, but controlled by the Spaniards.
United States and Great Britain jointly controlled the Oregon territory.
Great Britain
The United States, Great Britain, Spain, and Russia claimed the Oregon territory, in other words, the Oregon Country.
The Oregon territory
The Oregon territory
Oregon territory.
Russia, Spain and Great Britain also had claims on the oregon territory
In 1846, what was known as the Territory of Oregon, was divided between Great Britain and the U.S. Oregon would eventually become a U.S. state in 1859.
Great Britain.
Great Britain
U.S. and Britain
No, the last territory acquired by the United States was not the Oregon Territory. The Oregon Territory was acquired in 1846 through a treaty with Great Britain. The final addition to U.S. territory was the purchase of Alaska from Russia in 1867.