In the 14th century Norway still treated Orkney and Shetland as a Norwegian province, but Scottish influence was growing, and in 1379 the Scottish earl Henry Sinclair took control of Orkney on behalf of the Norwegian king Håkon VI Magnusson.
I 1300-tallet behandlede Norge fortsat Orkneyøerne og Shetland som en norsk provins, men den skotske indflydelse voksede, og i 1379 tog den skotske jarl Henry Sinclair kontrol over øerne på vegne af den norske konge Håkon 6.