Oregon is a state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idaho. The 42° north parallel delineates the southern boundary with California and Nevada.

How did Oregon became a state?

The territory became part of the United States through the Oregon Treaty in 1846. The Oregon Territory was established in 1848. ... As Oregon continued to grow it eventually broke off from the other regions in the territory and, on February 14, 1859, Oregon was admitted into the Union as the 33rd state.

When did Oregon became a state in 1850?

The Whitman Massacre and settlers' demands for protection finally caused Congress to move on the issue of territorial status, and Oregon became a United States territory on Aug. 13, 1848. In 1850, Congress passed the Donation Land Act, which recognized most land claims filed under the provisional government.