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 governor of Oregon is the head of government of the U.S. state of Oregon. The Oregon Country was obtained by the United States on January 30, 1819...

end of joint occupancy, the region south of the 49th parallel became Oregon Territory in the United States while the northern portion became part of the...

1889, when the territory was admitted to the Union as the State of Washington. It was created from the portion of the Oregon Territory north of the lower...

in Oregon were established by fur trappers and traders. In 1843, an autonomous government was formed in the Oregon Country, and the Oregon Territory was...

States that connected the Missouri River to valleys in Oregon Territory. The eastern part of the Oregon Trail spanned part of what is now the state of Kansas...

land claims after traveling the Oregon Trail as the last stop on the trail. It was the capital of the Oregon Territory from its establishment in 1848 until...

Polk signed an act creating the entire region as the Oregon Territory. On September 3, 1849, the Oregon Territorial Legislature modified the borders again...

reiterated a ban on all slavery in Oregon territory, and it forced black and mulatto settlers to leave Oregon territory within three years (two years for...

U.S. portion of the region was organized as Oregon Territory on August 15, 1848, with Washington Territory being formed from it in 1853. The British portion...