USS TEXAS (BB-35) Launched: May 18, 1912 Russian dreadnought Sevastopol (1911) Dreadnought F rom Wikipedia, the free encyclopedia For other uses, see Dreadnaught . The dreadnought was the predominant type of battleship of the 20th century. The revolutionary HMS Dreadnought of 1906 adopted an ‘all-big-gun’ armament and steam turbine propulsion; her