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HMS Dreadnought
The HMS Dreadnought of the Royal Navy was a battleship that revolutionized naval power when it entered service in 1906. Dreadnought represented such a marked advance in naval technology that its name came to be associated with an entire generation of battleships, the "dreadnoughts," as well as the class of ships named for it, while the generation of ships it made obsolete became known as "pre-dreadnoughts." What features made the Dreadnought so advanced? Discuss...
Source: HMS Is Launched (1906) (http://encyclopedia.thefreedictionary.com/HMS+Dreadnought+(1906))