Qualla: Cahokia: The American City Older Than London

Cahokia: The American City Older Than London: Introduction

Mon, 12 Jan 2026 00:00:00 GMT

Photo credit Skubasteve834 at English Wikipedia, CC BY-SA 3.0. There was a city here before there were cities. Around 1050 CE, Cahokia rose on the Mississippi floodplain near present-day St. Louis - a planned metropolis of 20,000 people, larger than London at the same time. They built 120 earthen mounds, including Monks Mound, the largest earthwork in North America: 100 feet tall, covering 14 acres, constructed basket-load by basket-load without metal tools or draft animals. They aligned their city to the sun, hosted festivals that drew thousands, and controlled trade routes spanning half a continent. Then they left. By 1400 CE, Cahokia was abandoned, the mounds overgrown, the people scattered. Europeans found the ruins and couldn't imagine Americans had built them. We're still learning what we forgot.

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Image: Skubasteve834 at English Wikipedia | CC BY-SA 3.0

Cahokia: The American City Older Than London: The City

Mon, 12 Jan 2026 00:00:00 GMT

Photo credit Kbh3rd, CC BY-SA 3.0. Cahokia at its peak was a genuine city - not a village, not a ceremonial center, but an urban environment with all the complexity that implies. The population reached 20,000 around 1100 CE; suburban settlements brought the metro area to perhaps 40,000. The central plaza covered 4...

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Image: Kbh3rd | CC BY-SA 3.0

Cahokia: The American City Older Than London: The Mounds

Mon, 12 Jan 2026 00:00:00 GMT

Photo credit Usia999, CC BY-SA 3.0. Cahokia's 120 mounds served multiple purposes: platform mounds for elite residences and temples, conical mounds for burials, ridge-top mounds marking boundaries. Monks Mound, the largest, rises 100 feet above the plaza in four terraces - roughly 22 million cubic feet of earth, ca...

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Image: Usia999 | CC BY-SA 3.0

Cahokia: The American City Older Than London: The Mystery

Mon, 12 Jan 2026 00:00:00 GMT

Photo credit M gastn, CC BY-SA 3.0. Why did Cahokia collapse? The city was abandoned by 1400 CE, but decline began earlier. Theories include: environmental degradation (deforestation, erosion, exhausted soils), climate change (drought, flooding, the Little Ice Age), disease, political instability, or simply the dif...

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Image: M gastn | CC BY-SA 3.0

Cahokia: The American City Older Than London: The Rediscovery

Mon, 12 Jan 2026 00:00:00 GMT

Photo credit User: (WT-shared) Ethajek at wts wikivoyage, Public domain. Europeans found the mounds and couldn't explain them. The prevailing assumption - that Indigenous peoples were incapable of civilization - led to theories about lost tribes of Israel, Welsh princes, or vanished white races. Archaeology has spent a century dismantling these fantas...

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Image: User: (WT-shared) Ethajek at wts wikivoyage | Public domain

Cahokia: The American City Older Than London: Visiting Cahokia Mounds

Mon, 12 Jan 2026 00:00:00 GMT

Photo credit Kbh3rd, CC BY-SA 3.0. Cahokia Mounds State Historic Site is located in Collinsville, Illinois, eight miles east of St. Louis. The interpretive center provides context for the site's history and archaeology. Monks Mound is climbable via stairs - 156 steps to the summit with views across the floodplain....

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Image: Kbh3rd | CC BY-SA 3.0