The RMS Note 1 Titanic is a British transatlantic liner of the White Star Line built at the initiative of Joseph Bruce Ismay in 1907. It was designed by architects Alexander Montgomery Carlisle and Thomas Andrews of the shipyards Harland & Wolff . Its construction began in 1909 in Belfast and ended in 1912. It was at the time the most luxurious and the largest liner ever built. He belongs to the Olympic class with his two sister ships , Olympic and Britannic . The hull ofTitanic is equipped with sixteen watertight compartments to protect the ship from waterways or major damage, giving it the reputation of being an “unsinkable” liner and, even today, the contemporary media to present it. as one of the safest ships.