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 Archives Oregon State Archives The Archives Division of the Office of the Secretary of State of Oregon, or Oregon State Archives, is an agency of the Office of the Oregon Secretary of State charged with preserving and providing access to government records. It also publishes the "Oregon Blue Book" and "Oregon Administrative Rules". The position of State Archivist was authorized by the state legislature in 1945, though not filled until 1947, and was originally a staff position within the Oregon State Library. The duties and functions of the archivist were placed under the purview of the Secretary of State in 1973,