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American NationLouisiana PurchaseShape Shifting
French Louisiana, 1682-1762
French Louisiana, 1800-1803

Spanish Louisiana, 1762-1800

Page 2 of 5

graphic: map of United States land area showing borders of Spanish Louisiana, 1762-1800

he Seven Years War, in which England and Prussia triumphed over France, Austria, and Russia, concluded in 1763. That year, the Treaty of Paris gave England control of French Canada as well as Florida.

In the same treaty, France gave Spain all of LaSalle's claim of 1682, which created a Spanish empire in the Western Hemisphere that extended all the way from the 50th parallel in North America to Cape Horn at the southern tip of South America.

Twenty years later, in 1783, Great Britain gave back to Spain all the territory east of the Mississippi and south of the 31st parallel. Then, in 1800, by the "secret" Treaty of San Ildelfonso, Spain gave all of LaSalle's Louisiana back to France, including "the Floridas," which Spain had claimed since 1492.

--Joseph Mussulman

French Louisiana, 1682-1762
French Louisiana, 1800-1803

From Discovering Lewis & Clark ®, http://www.lewis-clark.org © 1998-2014
by The Lewis and Clark Fort Mandan Foundation, Washburn, North Dakota.
Journal excerpts are from The Journals of the Lewis and Clark Expedition, edited by Gary E. Moulton
13 vols. (Lincoln: University of Nebraska Press, 1983-2001)