Because she was the largest and luxurious ship of her time.
The RMS on Titanic stood for "Royal Mail Ship".
RMS (Royal Mail Ship) Titanic
RMS stands for Royal Mail Ship, for the Titanic also carried mail that was held in the lowest deck of the ship right under the boiler rooms.
The RMS Olympic was indeed a real ship. It was the sister ship to the RMS Titanic. It was retired in 1935.
The RMS Titanic was completed March 31, 1912.
The Titanic sister ship was The Olympic and the Britannic
RMS Carpathia was the only ship that rescued survivors from RMS Titanic. There were 4 ships which were later sent to collect and embalm floating bodies at the disaster site; these were the cable ships CS Minia and CS Mackay-Bennett, the lighthouse supply ship Montmagny, and the seal-hunting ship Algerine.
RMS Carpathia
a white star line ship
RMS was the designation of Titanic. Royal Mail Ship. Many others were SS, as is steamship, for example.
The RMS Titanic sunk at 2:20am on 15th April 1912
Yes, it is a RMS Titanic, that is Royal MAIL Ship.