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Sungbo's Eredo

160 km rampart-and-ditch earthwork around the Yoruba Ijebu kingdom; among Africa's largest ancient monuments.

Dated events and their evidence

• 1000 CE mainstream
  mainstream construction range (10th-15th c.) source
• 2,000 BCE speculative
  carbon readings that may not date the wall source

Where

6.6481° N, 3.9937° E

Sources

• https://en.wikipedia.org/wiki/Sungbo's_Eredo

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