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Polity Africa

West African cereal farmers

Attested 1500 BCE – 1500 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 27 moments in time, not continuously. This bar runs from the first snapshot in which West African cereal farmers appears to the last, so both edges are floors — the earliest and latest years it is attested, not a founding and a dissolution.

1500 BCE 27 snapshots · 500 years unattested at the widest 1500 CE

Elsewhere in Africa 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 credits4 pictures from Wikimedia Commons