Statistics for occurrence #1 of “Territory of Louisiana” in entry united-states-of-america-iowa of Harper's Encyclopedia of United States History:

...a King's title issued......1796 Lands on both sides of the Mississippi, including a large part of Iowa, ceded to United States by Sac and Fox Indians, by treaty at St. Louis......Nov. 3, 1804 Territory of Louisiana , including Iowa, framed by law of......March 3, 1805 Iowa included in Territory of Missouri, erected by act......June 4, 1812 Fort Madison, built in 1808, on the site selected by Lieutenant P...
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