Dakota Territory
The Territory of Dakota was an organized incorporated territory of the United States that existed from March 2, 1861, until November 2, 1889, when the final extent of the reduced territory was split a...
Dakota Territory - Wikipedia
Idaho Territory
The Territory of Idaho was an organized incorporated territory of the United States that existed from March 4, 1863, until July 3, 1890, when the final extent of the territory was admitted to the Unio...
Idaho Territory - Wikipedia
Lewis and Clark Expedition
The Lewis and Clark Expedition, also known as the Corps of Discovery Expedition, was the first American expedition to cross what is now the western portion of the United States, departing in May 1804,...
Lewis and Clark Expedition - Wikipedia
Montana Territory
The Territory of Montana was an organized incorporated territory of the United States that existed from May 26, 1864, until November 8, 1889, when it was admitted as the 41st state in the Union as the...
Montana Territory - Wikipedia
Nebraska Territory
The Territory of Nebraska was an organized incorporated territory of the United States that existed from May 30, 1854, until March 1, 1867, when the final extent of the territory was admitted to the U...
Nebraska Territory - Wikipedia
Oregon Country
The Oregon Country was a predominantly American term referring to a disputed ownership region of the Pacific Northwest of North America. The region was occupied by British and French Canadian fur trad...
Oregon Country - Wikipedia
Oregon Territory
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 southwestern portion of the territory was admi...
Oregon Territory - Wikipedia
Washington Territory
The Territory of Washington was an organized incorporated territory of the United States that existed from March 2, 1853, until November 11, 1889, when the territory was admitted to the Union as the S...
Washington Territory - Wikipedia
Yorks Islands (Montana)
Yorks Islands, also known as "Yorks 8 Islands" or "York's Islands" or simply "York Island(s)" are a group of several islands located in the flood plain of the Missouri River, in Broadwater County, Mon...
Chief Plenty Coups (Alek-Chea-Ahoosh) State Park and Home
Chief Plenty Coups State Park is a state park located approximately 0.5 miles (0.8 km) west of Pryor, Montana, on the Crow Indian Reservation. Chief Plenty Coups' (Alek-Chea-Ahoosh) Home, located...
Chief Plenty Coups (Alek-Chea-Ahoosh) State Park and Home - Wikipedia
Adventure (ship)
The Adventure was a sloop maritime fur trade ship built by the crew of Captain Robert Gray on his second voyage to the Northwest Coast of North America. The 45-ton sloop was built to allow the trading...
Adventure (ship) - Wikipedia
Virginia City, Montana
Virginia City is a town in and the county seat of Madison County, Montana, United States. In 1961, the town and the surrounding area was designated a National Historic Landmark District, the Virginia...
Virginia City, Montana - Wikipedia
Washington in the American Civil War
The history of Washington in the American Civil War is atypical, as the territory was the most remote from the battlefields of the American Civil War. Although the Indian Wars in Washington were rece...
Washington in the American Civil War - Wikipedia
Oregon Constitutional Convention
The Oregon Constitutional Convention in 1857 drafted the Oregon Constitution in preparation for the Oregon Territory to become a U.S. state. Held from mid-August through September, 60 men met in Salem...
Oregon Constitutional Convention - Wikipedia
Timeline of pre-statehood Montana history
This is a Timeline of pre-statehood Montana history comprising substantial events in the history of the area that would become the State of Montana prior to November 8, 1889. This area existed as Mon...
Timeline of pre-statehood Montana history - Wikipedia
Fort Fizzle (Montana)
Fort Fizzle was a temporary military post erected in July 1877 to intercept the Nez Perce Indians in their flight from Idaho across the Lolo Pass into the Bitterroot Valley of Montana. The name descr...
Fort Fizzle (Montana) - Wikipedia
Louisiana Territory
The Territory of Louisiana or Louisiana Territory was an organized incorporated territory of the United States that existed from July 4, 1805, until June 4, 1812, when it was renamed the Missouri Terr...
Louisiana Territory - Wikipedia
Pompeys Pillar National Monument
Pompeys Pillar National Monument is a rock formation located in south central Montana, United States. Designated a National Monument on January 17, 2001, and managed by the U.S. Bureau of Land Managem...
Pompeys Pillar National Monument - Wikipedia