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Polity Africa

Bornu-Kanem

Attested 1279 CE – 1815 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 13 moments in time, not continuously. This bar runs from the first snapshot in which Bornu-Kanem appears to the last, so both edges are floors — the earliest and latest years it is attested, not a founding and a dissolution.

1279 CE 13 snapshots 1815 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 credits3 pictures from Wikimedia Commons