Currently this essay is under construction.
When completed, it will provide you with details about each of
the 13 ratified treaties by which various Native American groups
ceded to the United States the land that became Illinois.
Even in its incomplete state, however, you can learn something
about these treaties. Click on one of the links below to learn
You also might want to check out our Treaty Mapping Tool to notice
how these treaties overlap and conflict with one another. Why did
the United States buy the same land over and over again?
A clue that often (but
not always) works: You might want to compare who cedes the land
with the maps of who was actually living in