Many Americans came to live there more than British.
1859
Oregon is a state, part of the 50 states that make up the United States of America. There is a city in Oregon called Oregon City. There are also cities in various states that are called Oregon, Ohio and Illinois for example. As far as I know there is no country called Oregon.
1846
It never was part of the US. Russia is a separate country in Europe and Asia, USA is in North America.
The states formed from the Oregon Country are primarily Oregon and Washington. California was not part of the Oregon Country; it was part of the territory acquired through the Treaty of Guadalupe Hidalgo in 1848, following the Mexican-American War. The Oregon Country, which included present-day Oregon, Washington, and parts of Idaho and Montana, was jointly occupied by the U.S. and Britain until the Oregon Treaty of 1846 established the U.S. claim.
February 14, 1859
Russia claimed it.
Great Britain and the United States shared the territory from 1818 til 1846 when it was divided between the US and Great Britain. The United States obtained land for Oregon, Washington, and Idaho.
Russia claimed it.
the British
February 14th 1859 which in my opinion is awesome!!
No, Jamaica is not a part of North America, it is a part of a group of islands called the Greater Antilles.