RMS Titanic by numerous works of popular culture, including books, folk songs, films, exhibits, and memorials. "Titanic" is the second largest ocean liner wreck in the world, only beaten by her sister , the largest ever sunk, although she holds the record as the largest sunk while actually in service as a liner due to "Britannic" being used as a hospital ship at the time of her sinking. The final survivor of the sinking, Millvina Dean, aged two months at the time, died in 2009 at the age of 97. The name "Titanic" was derived the Titan of Greek mythology and meant
Sister ship American sister ships and , and the German Hindenburg class airship's "Hindenburg" and "Graf Zeppelin II". The generally accepted commercial distinctions of a "sister ship" are the following: The critical overriding criteria are the same hull design. For example, the popular TESS-57 standard design built by Tsunishi Shipbuilding are built in Japan, China, and the Philippines. All the ships of this design are classed as "sister ships". The International Maritime Organization defined "sister ship" in IMO resolution MSC/Circ.1158 in 2006. Criteria included these: Sister ship A sister ship is a ship of the same class or of virtually identical design