Kingdom of the Isles

State · 1085–1176 CE · at its largest around 1094 CE

Norse-Gaelic kingdom of the Isle of Man and the Hebrides founded by Godred Crovan, nominally subject to the kings of Norway.

On its lands while it lasted

Isle of Man (c. 1085 CE): Capital of Kingdom of the Isles (1085–1176), Kingdom of Mann (1177–1266).
Castletown (c. 1085 CE): Capital of Kingdom of the Isles (1085–1176), Kingdom of Mann (1177–1266).
Lewis chessmen (c. 1150 CE): A set of 12th-century chess pieces carved mostly from walrus ivory, probably in Norway, and found on the Isle of Lewis in 1831. They are held by the British Museum and the National Museum of Scotland.