Illinois Territory
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Was an organized incorporated territory of the United States.
Establishment
March 1809: The Territory of Illinois was an organized incorporated territory of the United States that existed from March 1, 1809.
September 1809: The Treaty of Fort Wayne is an 1809 treaty that obtained 29,719,530 acres Native American land for the settlers of Illinois and Indiana. The negotiations primarily involved the Delaware tribe but included other tribes as well.
December 1809: U.S. treaty concluded with the Kickapoo.
Chronology
Interactive Chronologies with maps are available in the section Changes Navigation
Was a war between the United States of America and Great Britain. Tensions originated in long-standing differences over territorial expansion in North America and British support for Native American tribes who opposed U.S. colonial settlement in the Northwest Territory.
1.1.Great Lakes and Western Territories Theatre
Was the theatre od war in the Great Lakes and Western territories of the War of 1812 between the United States and the United Kingdom.
August 1812: force of 400 Potawatomie massacre the small American garrison of Captain Nathan Heald at Fort Dearborn (Chicago), Illinois Territory, after the Americans were ordered to evacuate that post by General William Hull.
July 1814: The Siege of Prairie du Chien ended in a British victory on July 20, 1814.
1.2.Treaty of Ghent
Was the treaty that ended the War of 1812 between the United States and the United Kingdom.
December 1814: Treaty of Ghent: The treaty ended the War of 1812 between the United States and Great Britain (and Spain). All captured territories were restored.
August 1816: U.S. treaty concluded at St. Louis (Missouri Territory) with the Ottawa, Chippewa and Potawatomi.
December 1818: In 1818, the portions of the Illinois Territory north of the future state boundary were transferred to the Michigan Territory. This decision was made by President James Monroe and Congress, as part of the process of defining state borders and territories in the expanding United States.
December 1818: The Territory of Illinois was an organized incorporated territory of the United States that existed from March 1, 1809, until December 3, 1818, when the southern portion of the territory was admitted to the Union as the State of Illinois.
Disestablishment
December 1818: In 1818, the portions of the Illinois Territory north of the future state boundary were transferred to the Michigan Territory. This decision was made by President James Monroe and Congress, as part of the process of defining state borders and territories in the expanding United States.
December 1818: The Territory of Illinois was an organized incorporated territory of the United States that existed from March 1, 1809, until December 3, 1818, when the southern portion of the territory was admitted to the Union as the State of Illinois.
Selected Sources
Fredriksen, J.C. (2010): Chronology of American Military History - Volume 1, Facts On File, p.237
Fredriksen, J.C. (2010): Chronology of American Military History - Volume 1, Facts On File, p.269
Fredriksen, J.C. (2010): Chronology of American Military History - Volume 1, Facts On File, p.278
Order of States’ Admission. Arkansas Secretary of State. Retrieved on 3 April 2024 on https://www.sos.arkansas.gov/education/arkansas-history/history-of-the-flag/order-of-states-admission
Royce, C. C. (1899): Indian Land Cessions in the United States, Eighteenth Annual Report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution, p. 678
Royce, C. C. (1899): Indian Land Cessions in the United States, Eighteenth Annual Report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution, p. 680
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