jan 10, 1811 - Athabasca Pass
Description:
Norwester David Thompson 1770-1857 crosses the height of land of the Rocky Mountains on the Athabasca Pass; he will ascend the Columbia River to its source, then descend it to Astoria, becoming the First person to explore and map the whole length of the river. AlbertaAdded to timeline:
Date:
jan 10, 1811
Now
~ 215 years ago