SMS Derfflinger

About

SMS Derfflinger was a battlecruiser of the German Kaiserliche Marine (Imperial Navy) built in the early 1910s during the Anglo-German naval arms race. She was the lead ship of her class of three ships; her sister ships were Lützow and Hindenburg. The Derfflinger-class battlecruisers were larger and featured significant improvements over the previous German battlecruisers, carrying larger guns in a more efficient superfiring arrangement.

Derfflinger was armed with a main battery of eight 30.5 cm (12 in) guns, compared to the 28 cm (11 in) guns of earlier battlecruisers. She had a top speed of 26.5 knots (49.1 km/h; 30.5 mph) and carried heavy protection, including a 30-centimeter (11.8 in) thick armored belt. Derfflinger was completed shortly after the outbreak of World War I in 1914; after entering service, she joined the other German battlecruisers in I Scouting Group of the High Seas Fleet, where she served for the duration of the conflict.

As part of this force, she took part in numerous operations in the North Sea, including the Raid on Scarborough, Hartlepool and Whitby in December 1914, the Battle of Dogger Bank in January 1915, and the Bombardment of Yarmouth and Lowestoft in...