Orkney from mainland Scotland sought refuge on Orkney and were helped on to safety in Sweden. In 1745, the Jacobite lairds on the islands ensured that Orkney remained pro-Jacobite in outlook, and was a safe place to land supplies from Spain to aid their cause. Orkney was the last place in the British Isles that held out for the Jacobites and was not retaken by the British Government until 24 May 1746, over a month after the defeat of the main Jacobite army at Culloden. Orkney was the site of a Royal Navy base at Scapa Flow, which played a major
Romanian Black Sea Fleet during World War I machine guns. The minelayer "Alexandru cel Bun" was armed with two 37 mm guns and two machine guns, in addition to her load of mines. The main Romanian port of Constanța was leased to a Russian naval squadron, headed by the battleship "Rostislav". This, combined with the fall of the port to the Central Powers during the Second Battle of Cobadin, rendered the small Northern port of Sulina as the base for the Romanian Black Sea Fleet. On 13 November 1916, the German minelaying submarine "UC-15" set off to lay mines off Sulina. However, she only managed to lay two