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The history of Oregon, a U.S. state, may be considered in five eras: geologic history, inhabitation by native peoples, early exploration by Europeans (primarily fur traders), settlement by pioneers, and modern development.
Oregon (/ ˈ ɒr ɪ ɡ ən,-ɡ ɒ n / ⓘ ORR-ih-ghən, -gon) [7] [8] is a state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idaho.
13,200 BCE - Earliest evidence of human habitation in Oregon, discovered in 1938 at Fort Rock Cave in modern day Lake County. [1]13,000-11,000 BCE - The Missoula floods inundate and scour large portions of the state along the Columbia River and in the Willamette Valley before entering the Pacific Ocean.
The Oregon Treaty ended the sharing and formally established the borders on June 15, 1846. [ 2 ] The Champoeg Meetings , including a constitutional committee, held from February 1841 until May 1843, served as a de facto government before the government was officially established.
The Provisional Government of Oregon was a popularly elected settler government created in the Oregon Country (1818-1846), in the Pacific Northwest region of the western portion of the continent of North America.
The Territory of Oregon originally encompassed all of the present-day states of Idaho, Oregon and Washington, as well as those parts of present-day Montana and Wyoming west of the Continental Divide. [9] Its southern border was the 42nd parallel north (the boundary of the Adams-Onis Treaty of 1819), and it extended north to the 49th parallel.
Bibliography of Oregon history; Oregon Bill of 1848; Oregon black exclusion laws; Oregon Centennial; Oregon Centennial Tokens; The Oregon Desert; Oregon Historical Society; Oregon land fraud scandal; Oregon Pioneer Association; Oregon Rifles; Oregon tax revolt; Oregon Territory; Oregon Trail
Oregon pioneer history, 1810–1859 Fort Astoria , 1811–1848 Overton Johnson and William Winter expedition, 1843: Johnson, Overton; Winter, William H. (1846).