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

...red to the United States, Major Stoddard in command......March 10, 1804 Missouri included in the district of Louisiana, set off from the Territory of Louisiana, and placed under the government of Indiana Territory by act of Congress......March 26, 1804 Exploring expedition of Lewis and Clarke up the Missouri River leaves St. Louis......May 14, 1804 By act of Congress the district of Louisiana is regula...
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