This is a list of rulers of Iceland, ruling from 1262 to 1944. Iceland was settled in the late 9th and early 10th centuries, principally by people of Norwegian and other Scandinavian origin. In 930, the ruling chiefs established a republican constitution and an assembly called the Althing - the oldest parliament in the world. Iceland remained independent until 1262, when it entered into a treaty which established a union with the Norwegian monarchy. In the late 14th century Norway and Denmark entered into a union. The union between Denmark and Norway, ignoring some shorter periods, lasted until 1814, when Norway briefly gained independence, and Iceland became an integral part of Denmark until 1918, when Iceland was recognised as a fully sovereign state united with Denmark under a common mo