State · 900 – 1266

Kingdom of the Isles

A state of 900 – 1266 — 366 years in Europe. Its line of rulers holds 1 person.

For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the state.

Stood: 366 years; 900 – 1266
Rulers: 1; the King of the Isles
Most ground: 14,500 km²; in 1094

Map: Kingdom of the Isles in 1094, its borders in gold among its neighbours — Kingdom of the Isles in 1094, when it held the most ground the borders dataset draws for it: 14,500 km². Its neighbours wear their tints, as on the atlas's own map. Borders from Cliopatria (CC BY 4.0), coast and rivers from Natural Earth, cities from Reba, Reitsma & Seto 2016 (CC BY 4.0), each city under the name it bore that year.

Kingdom of the Isles in 1094, at its largest — The rise and the fall in one frame: the same ground at the years the borders dataset first maps it, maps it largest, and last maps it.

Kingdom of the Isles in 1169, last mapped — The rise and the fall in one frame: the same ground at the years the borders dataset first maps it, maps it largest, and last maps it.

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.

killed, executed or dead in battle

Ruler	Reign	Length	How it ended · source	To the ruler before
Somerled	1158 – 1164	6 years	killed, the article saysread from the ruler's own article

1 rulers, 1 with terms dated as terms, covering 1158 – 1164. Only 6 years of the line are dated - too short for a median. A blank in the last column means no kin on record, which is coverage, never “unrelated”.

Ground held, by year

km² inside its borders as the borders dataset draws them, measured on an equal-area grid; a step series, held between the years the dataset maps.

14,500 km² in 1100, 6,000 km² in 1266; at its largest 14,500 km² in 1100. Cliopatria, CC BY 4.0.

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 stood366 years
stood longer than 79% of 3,187 states with a recorded end or still standing.
The most ground it held14,500 km²
held more ground at its peak than 18% of 1,465 states with a border in Cliopatria.
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 record1
has more rulers on record than 13% of 1,968 states with a line of rulers.

Open in the atlas

On the timeline, 863 – 1303, with everything that stood beside it.
On the map in 1094, live: scrub the year and watch its borders move.
Investigate it: what led to it, what came of it, and its succession analysed.

Wikidata Q459188 (CC0) · borders Cliopatria, CC BY 4.0 · coast and rivers Natural Earth · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.