High Quality Content by WIKIPEDIA articles! RMS Mauretania was an ocean liner designed by Leonard Peskett and built by Swan, Hunter & Wigham Richardson at Wallsend, Tyne and Wear for the British Cunard Line, and launched on 20 September 1906. At the time, she was the largest and fastest ship in the world. Mauretania became a favourite among her passengers. After capturing the Blue Riband for the fastest transatlantic crossing during her 1907 inaugural season, Mauretania held the speed record for twenty-two years.