Oregon Territory Oregon Territory The Territory of Oregon was an organized incorporated territory of the United States that existed from August 14, 1848, until February 14, 1859, when the southwestern portion of the territory was admitted to the Union as the State of Oregon. Originally claimed by several countries (see Oregon Country), the region was divided between the UK and US in 1846. When established, the territory encompassed an area that included the current states of Oregon, Washington, and Idaho, as well as parts of Wyoming and Montana. The capital of the territory was first Oregon City, then Salem, followed briefly by
Oregon State University military, including: Oregon State University is also one of the few universities to have ROTC detachments for each branch of the US Military. Oregon State University Army ROTC is a distinguished program and has been taught regularly since 1873. The so-called Beaver Battalion is known as the West Point of the West for producing more commissioned officers than any other non-military school during World War II. It is located in McAlexander Fieldhouse, named after General Ulysses G. McAlexander, the former commander of Army ROTC. After the Second World War ended in 1945, a Department of Naval Science was added at