Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern boundaries respectively. The area was inhabited by many indigenous tribes before the arrival of traders, explorers and settlers; the Oregon Territory was created in 1848, and Oregon became the 33rd state on February 14, 1859. Salem is the state's capital and third-most-populous city; Portland is the most populous. Portland is the 30th-largest U.S. city.
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