State · 331 – 1585
Airgíalla
A state of 331 – 1585 — 1,254 years. Its line of rulers holds 5 people. Its own article says it was dissolved.
For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the state.
- Stood
- 1,254 years
- 331 – 1585
- Rulers
- 5
- the king
Where it sits in time
Five thousand years, 3000 BCE to 2026; the state in gold.
How it ended, as its article says
Dissolved, 1585. Read from the article's section “History - Downfall of the Realm” by its grammar; the claim is only that the article says so.
The Kingdom of Airgíalla came to an end in 1585 when Rossa Boy MacMahon agreed to surrender and regrant his territories to the English Crown in Ireland, with his territory becoming County Monaghan in the Tudor Kingdom of Ireland.
One sentence of the English Wikipedia article, CC BY-SA 4.0.
Rulers
The line of king.
| Ruler | Reign | Length | How it ended · source | To the ruler before |
|---|
5 rulers, 0 with terms dated as terms. 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 stood1,254 years
stood longer than 98% 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.
- Rulers on record5
has more rulers on record than 64% of 1,968 states with a line of rulers.
Open in the atlas
- On the timeline, 206 – 1710, with everything that stood beside it.
- On the map in 958, live: scrub the year and watch its borders move.
- Investigate it: what led to it, what came of it, and its succession analysed.
Wikidata Q2030487 (CC0) · one sentence of the English Wikipedia article, CC BY-SA 4.0 · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.