SMS Ost-Friesland
Helgoland-class
Notes
1. Of the Helgoland-class consisting of the Helgoland, Ostfriesland, Thüringen and Oldenburg. Preceded by the Nassau-class and succeeded by the Kaiser-class. Laid down at the Kaiserliche Werft, Wilhelmshaven as the Ersatz Oldenburg with yard number 31 on 19 October 1908, launched on 30 September 1909, commissioned on 1 Augustus 1911, in service on 22 September 1911, stricken from the navy list on 5 November 1919, handed over to the USA according to the Treaty of Versailles and to compensate the German warships scuttled at Scapa Flow as the “H”, departed Germany on 7 April 1920 with a German crew towards to Rosyth, Scotland and from there on 9 April by an American crew to the USA and sunk on 21 July 1921 while used as target ship by bombers off Cape Hatteras.
2. Of the Wiesbaden-class light cruisers consisting of the Wiesbaden and Frankfurt, laid down as Ersatz Hela by Kaiserliche Werft, Kiel, Germany in 1913, launched on 20 March 1915, commissioned on 20 August 1915, ceded to the USA in 1919 and sunk while used as a target on 18 July 1921.