Great Lakes and Upper South in the News: "Lost cities #8: mystery of Cahokia – why did North America's largest city vanish?" from The Guardian
In its prime, about four centuries before Columbus stumbled on to the western hemisphere, Cahokia was a prosperous pre-American city with a population similar to London’s.
Located in southern Illinois, eight miles from present-day St Louis, it was probably the largest North American city north of Mexico at that time. It had been built by the Mississippians, a group of Native Americans who occupied much of the present-day south-eastern United States, from the Mississippi river to the shores of the Atlantic.
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