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Polity Americas

Mesoamerican city-states and chiefdoms

Attested 800 CE – 1200 CE

How these dates were made

Why this bar's edges are floors, not a founding and a fall.

The atlas draws the world at 5 moments in time, not continuously. This bar runs from the first snapshot in which Mesoamerican city-states and chiefdoms appears to the last, so both edges are floors — the earliest and latest years it is attested, not a founding and a dissolution.

800 CE 5 snapshots 1200 CE

Elsewhere in Americas at the time

Records whose own span overlaps this one, found by the same test the canvas draws with. The bar under each card is where it sits inside this one.

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Image credits3 pictures from Wikimedia Commons