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 Oregon State. Providing officer training for the both the US Navy and the US Marine Corps, it is now one of the largest in the nation and has earned the unofficial title "Naval Academy of the Northwest." On 1 July 1949, the US Army Air Corps training branch became a separate officer training unit now known as Aerospace Science. The Oregon State Air Force ROTC draws more freshmen scholarships than any other AFROTC unit in the nation and has had over 1,000 officers commissioned. In 1977, two graduates of the OSU AFROTC became the first women pilots in the Air