State · 660 BCE
Imperial House of Japan
A state of 660 BCE in East and Southeast Asia. The atlas records 1 thing within it — people 1. Its line of rulers holds 1 person.
- Wikidata records no end for this state; the atlas ends it where the borders dataset last draws it, 660 BCE.
For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the state.
- Rulers
- 1
- the Emperor of Japan
- Within it
- 1
- recorded row
- Symbol
- 1
- on record, with years
Where it sits in time
Five thousand years, 3000 BCE to 2026; the state in gold.
Rulers
The line of Emperor of Japan.
| Ruler | Reign | Length | How it ended · source | To the ruler before |
|---|---|---|---|---|
| Emperor Jimmu | 660 BCE – 585 BCE | 75 years | died in office, manner not recordedWikidata's end cause on the term |
1 rulers, 1 with terms dated as terms, covering 660 BCE – 585 BCE. Median reign 75 years. A blank in the last column means no kin on record, which is coverage, never “unrelated”.
Flag or arms
Each symbol with the years its own statement gives; the timeline flies the one of the year on screen.

coat of arms, undatedKamon of the Imperial House of Japan · CC BY-SA 4.0 · Fonsecafrancesco04
What happened within it, by century
Every row the atlas hosts under this state, by the century it began in: wars and battles in red, risings, regime changes and massacres beside them, everything else in grey. A tall bar is a century the record is full for, which is partly a fact about Wikipedia.
1 rows, over a span too long to list by century.
Among all states
Each measure against the states that carry it, never against all of them: a bar is the share of those states below this one.
- How long a reign lasted, at the median75 years
had longer reigns, at the median, than 98% of 967 states whose dated line can carry a median.
- Rulers on record1
has more rulers on record than 13% of 1,968 states with a line of rulers.
Open in the atlas
- On the timeline, 670 BCE – 650 BCE, with everything that stood beside it.
- On the map in 660 BCE, live: scrub the year and watch its borders move.
- Investigate it: what led to it, what came of it, and its succession analysed.
Wikidata Q909452 (CC0) · symbols from Wikimedia Commons, each credited above · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.