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| Oregon Territory, as originally organized, in 1848 |
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Oregon Territory (blue) with Washington Territory (green) in 1853 |
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State of Oregon (blue) with Washington Territory (green) in 1859 |
The Oregon Territory is the name applied both to the unorganized Oregon Country claimed by both the United States and Britain, as well as to the organized U.S. territory formed from it that existed between 1848 and 1859.
(see Oregon Country for the history of the unorganized region)
The Territory of Oregon was organized on August 14, 1848 by Act of Congress out of the U.S. portion of the Oregon Country below the 49th parallel. It originally included all of the present-day states of Idaho, Oregon and Washington as well as Montana, west of the continental divide, and Wyoming, west of the continental divide and north of the 42nd parallel—the northern border of the Mexican CessionThe Mexican Cession is an historical name for the region of the present day southwestern United States that was ceded to the US by Mexico in 1848 under the Treaty of Guadalupe Hidalgo following the Mexican-American War. For the 38 years between 1810, when.
The first territorial capital was in Oregon CityOregon City is the first city in the United States incorporated west of the Rockies. It is the county seat of Clackamas County, Oregon. As of the 2000 census, the city had a total population of 25,754. Known in recent decades as the site of several large. The capital was later moved to SalemSalem is the capital of the state of Oregon in the United States of America, and county seat of Marion County. As of 2003 it has a population of 142,940. It lies in the center of the fertile Willamette Valley, one of the most productive agricultural regio in 1851Events January 23 The flip of a coin determines whether a new city in Oregon is named after Boston, Massachusetts, or Portland, Maine, with Portland winning. March 1 Victor Hugo gives speech at the French national assembly and uses the phrase United State.
In 1853Events January 19 Giuseppe Verdi's opera Il Trovatore premieres in Rome January 21 Russell L. Hawes patents the envelope folding machine January 29 Napoleon III marries the Spanish Countess Eugenie at the Tuileries March 4 Inauguration of US president Fra, the portion of the territory north of the lower Columbia RiverColumbia River Gorge, Washington or North side The Columbia River is the largest river in volume flowing into the Pacific Ocean from North America. Its headwaters are located in the Canadian Rockies of British Columbia, and it flows through the east-centr and north of the 46th parallel east of the Columbia was organized into the Washington TerritoryWashington Territory (green) with Oregon Territory (blue) in 1853 Washington Territory (green) and State of Oregon 1859 The Washington Territory was a historic organized territory of the United States that was formed in February 8, 1853 from the portion o.
In February 14, 1859, the territory entered the Union as the State of Oregon within its current boundaries. The remaining eastern portion of the territory (i.e., the portions in present-day southern Idaho and western Wyoming) was added to the Washington Territory.