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Flag of Japan
Law Concerning the National Flag and Anthem (1999) (Japanese) (English); Ministry of Defe… · Public domain
Polity East Asia

Japan

Attested 800 CE – 2026 CE

Country in East Asia

Wikipedia

The opening of the article, and a way into the rest of it without leaving the site.

Japan on Wikipedia.

How these dates were made

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

The atlas draws the world at 11 moments in time, not continuously. This bar runs from the first snapshot in which Japan 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 11 snapshots · 692 years unattested at the widest 2026 CE

Elsewhere in East Asia 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.

See the whole view
Image credits7 pictures from Wikimedia Commons