Ikkō-ikki

Where it sits in time

Five thousand years, 3000 BCE to 2026; the state in gold.

Rulers

Read from the state’s own English article and its rulers’ articles, where Wikidata names no ruler.

2 rulers, 2 with terms dated as terms, covering 1457 – 1592. Median reign 37 years. 0 of 1 handovers irregular - a killing, a deposition, a rival claimant, a rising or a coup beside it. A blank in the last column means no kin on record, which is coverage, never “unrelated”.

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 it stood129 years

  stood longer than 52% of 3,187 states with a recorded end or still standing.

• Wars recorded per centurynone

  had more wars on record per century than 44% of 3,187 states, counting the wars the atlas hosts under each.

• How long a reign lasted, at the median42 years

  had longer reigns, at the median, than 92% of 967 states whose dated line can carry a median.

• Rulers on record2

  has more rulers on record than 34% of 1,968 states with a line of rulers.

Theories that apply to its ending

Of 3 theories of why states fall, 1 has every condition present at this ending; each is applied by its own logic, condition by condition, and whether its authors named this case is a footnote.

• Dynastic cycle and the decay of group feeling

  Ibn Khaldun 1377 · Turchin & Nefedov 2009

  Applies by its own logic: the condition it names held here, and this is the kind of outcome it predicts — adverse regime change or the state's ending.

  • the state 90 to 160 years old — ageBand 129