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...

and Montana Territory in 1864, the parts of Wasco County east of the present Oregon boundaries were ceded to those territories. Other Oregon counties were...

congressional delegations from Oregon to the United States Senate and United States House of Representatives. The current Oregon delegation consists of 6 congresspersons...

Oregon (1865–1867) Washington Territory, Oregon Territory and Idaho Territory. New Department of California (1865–1891) California, Nevada Territory,...

to 54°40′ north latitude. After the region was organized within the Oregon Territory with the current northern border of 49° north, Vancouver County was...

formerly part of the huge Oregon Territory had been sundered from the coastal Washington Territory north of the young State of Oregon to the far west and the...

in the Oregon Territory. The part of the Oregon Territory that became part of Montana had been split off as part of the Washington Territory. The boundary...

Wyoming Territory were identical to those of the modern State of Wyoming. Because of Wyoming's location as part of the Louisiana Purchase, the Oregon Country...

Oregon Territory, established by the United States two years after its sovereignty over the region was established by the Oregon Treaty; and Oregon,...

included U.S. territories. He is best known as the last Secretary of the Michigan Territory (1835–1838), Secretary of the Oregon Territory (1849–1850),...

and between the border with Mexico northward to include parts of the Oregon Territory, as well as the coast of California south of the Santa Monica Mountains...

westward over time. The current area includes the old Oregon Territory (created in 1848–Oregon, Washington, Idaho, and areas in Montana west of the Continental...

The Oregon boundary dispute or the Oregon Question was a 19th-century territorial dispute over the political division of the Pacific Northwest of North...

There are 36 counties in the U.S. State of Oregon. The Oregon Constitution does not explicitly provide for county seats; Article VI, covering the "Administrative...

United States Navy have been named USS Oregon, in honor of the Oregon Territory or the 33rd state. The first USS Oregon (1841) was a brig purchased in 1841...

man, law enforcement official, and politician in the Oregon Country and later Oregon Territory of the United States. A trapper involved in the fur trade...

ferries. After the establishment of the Oregon Territory, the legislature was replaced with the two house Oregon Territorial Legislature. The Provisional...

Silverton is a city in Marion County, Oregon, United States. The city is situated along the 45th parallel about 12 miles (19 km) northeast of Salem, in...

Genevieve, Missouri, who had advocated the American occupation of the Oregon territory as a counterclaim to the British. The Sullivan hydroelectric plant...

from Oregon. The list of names is complete, but other data may be incomplete. It includes members who have represented both the state and the territory, both...

to the Grand Ronde. Settlers began to arrive in the Oregon Territory in mid-1800s via the Oregon Trail, after the establishment of Portland. Boring takes...