On 21 June 1919, shortly after the end of the First World War, the Imperial German Navy's High Seas Fleet was scuttled by its sailors while held off the harbour of the British Royal Navy base at Scapa Flow, in the Orkney Islands of Scotland. The fleet was interned there under the terms of the Armistice of 11 November 1918 while negotiations took place over its fate. Fearing that either the British would seize the ships unilaterally or the German government at the time might reject the Treaty of Versailles and resume the war effort (in which case the ships could be used against Germany), Admiral Ludwig von Reuter decided to scuttle the fleet.
Intervening British guard ships were able to beach some of the ships, but 52 of the 74 interned vessels sank. Many of the wrecks were salvaged over the next two decades and were towed away for scrapping. Those that remain are popular diving sites and a source of low-background steel.
The signing of the Armistice of 11 November 1918 with Germany, at Compiègne, France, effectively ended the First World War. The Allied powers agreed that Germany's U-boat fleet should be surrendered without the possibility of return, but were unable to agree upon a course of action regarding the German surface fleet. The Americans suggested that the ships be interned in a neutral port until a final decision was reached, but the two countries that were approached – Norway and Spain – both refused. Admiral Rosslyn Wemyss suggested that the fleet be interned at Scapa Flow with a skeleton crew of German sailors, and guarded in the interim by the Grand Fleet.