Colonial America
Colonial Events in Idaho
30 events — 1492 to early statehood
1682
La Salle Travels Down the Mississippi River
Idaho · Expedition · Colonial Period
1792
Robert Gray Discovers the Columbia River
Idaho · Expedition · Early Republic
1792
Alexander Mackenzie Crosses North America
Idaho · Expedition · Early Republic
1803
Jefferson Commissions Corps of Discovery
Idaho · Expedition · Early Republic
1804
Lewis and Clark Expedition Maps First Land Route
Idaho · Expedition · Early Republic
1804
Lewis and Clark Expedition Departs Camp Dubois
Idaho · Expedition · Early Republic
1804
Sergeant Charles Floyd Dies on Expedition
Idaho · Other · Early Republic
1804
Lewis and Clark Expedition Maps Pacific Northwest
Idaho · Expedition · Early Republic
1804
Tense Confrontation with Teton-Sioux Tribe
Idaho · Other · Early Republic
1804
Spanish Attempt to Intercept Lewis and Clark
Idaho · Other · Early Republic
1805
Sacagawea Joins Lewis and Clark Expedition
Idaho · Expedition · Early Republic
1805
Expedition Vote to Move Camp
Idaho · Other · Early Republic
1805
Expedition Sights Pacific Ocean
Idaho · Expedition · Early Republic
1805
Expedition Crosses Continental Divide at Lemhi Pass
Idaho · Expedition · Early Republic
1805
Construction of Fort Clatsop
Idaho · Founding · Early Republic
1806
Expedition Returns to St. Louis
Idaho · Expedition · Early Republic
1807
Patrick Gass Publishes Expedition Account
Idaho · Other · Early Republic
1810
Pacific Fur Company Founded by John Jacob Astor
Idaho · Founding · Early Republic
1811
Hunt Overland Expedition Traverses Idaho
Idaho · Expedition · Early Republic
1811
Fort Astoria Established on Columbia River
Idaho · Founding · Early Republic
1811
Astor Expedition Explores Future Fort Boise Site
Idaho · Expedition · Early Republic
1811
Wilson Hunt Overland Expedition Through Boise Valley
Idaho · Expedition · Early Republic
1812
Robert Stuart Discovers South Pass
Idaho · Expedition · Early Republic
1813
North West Company Takes Over Fort Astoria
Idaho · Transition Of Power · Early Republic
1813
Pacific Fur Company Outpost Established on Snake River
Idaho · Founding · Early Republic
1814
Lewis and Clark Journals Published by Biddle
Idaho · Other · Early Republic
1819
North West Company Post Established at Boise Site
Idaho · Founding · Early Republic
1820
French Canadian Fur Trappers Name Boise River
Idaho · Other · Early Republic
1825
First American Fur Trade Rendezvous
Idaho · Other · Early Republic
1825
HBC Builds New Fort Vancouver
Idaho · Founding · Early Republic
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