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The opening of the article, and a way into the rest of it without leaving the site.
Valdivia on Wikipedia.
From Wikipedia, available under CC BY-SA 4.0.
How these dates were made
Why this bar's edges are floors, not a founding and a fall.
The atlas draws the world at 2 moments in time, not continuously. This bar runs from the first snapshot in which Valdivia appears to the last, so both edges are floors — the earliest and latest years it is attested, not a founding and a dissolution.
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.
Landmark · Americas
Isla del Sol
2000 BCE – still standingPolity · Americas
Maya chiefdoms and states
2000 BCE – 1521 CELandmark · Americas
Grand Canyon
3000 BCE – still standingPolity · Americas
Arctic marine mammal hunters
Attested 2000 BCE – 1200 CELandmark · Americas
Mammoth Cave
3000 BCE – still standingPolity · Americas
Mesoamerican hunter-gatherers and maïze farmers
Attested 2000 BCELandmark · Americas
Hawaii Volcanoes
3000 BCE – still standingPolity · Americas
Archaic Amerindian hunter-gatherers
Attested 2000 BCEDated moments inside this span
Events the timeline places between 3000 BCE and 2000 BCE.
And in the rest of the world
Records running through the same years, on the other side of the map.
Image credits6 pictures from Wikimedia Commons
- Flag of Valdivia, ChileSVG version by MeekMark · Public domain
- Isla del SolCC BY-SA 3.0
- Maya civilizationKmusser · CC BY-SA 3.0
- Grand CanyonLennart Sikkema · CC BY 3.0
- Mammoth Cave National ParkWillis Thomas Lee · Public domain
- Hawaiʻi Volcanoes National ParkBrocken Inaglory · CC BY-SA 3.0