The Lewis and Clark expedition spent the winter of 1805–6 at a nearby encampment, Fort Clatsop (now part of a national historical park). Fort Astoria, a fur-trading post established in 1811 by John Jacob Astor 's Pacific Fur Company, was the first permanent U.S. settlement on the Pacific coast. Although the post was sold to the British in 1813, its vigorous activities helped to establish American claims to the Oregon country and contributed much to the exploration of the continent. Fort Astoria was formally restored to the United States in 1818, but trade remained in British hands until the mid-1840s, when American pioneers followed the Oregon Trail to the fort. In the late 18th cent., Astoria grew as a coastal and river port; it later attracted Scandinavian settlers.
See P. Stark, Astoria (2014).
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