The largest and most luxurious passenger ship of its time and was reported to be unsinkable. Titanic, launched on May 31, 1911, and set sail on its maiden voyage from Southampton 1912, with 2,240 passengers and crew on board. A British-registered steamship that was the largest and most luxurious passenger ship of its time when it launched in 1911. Built in Belfast, Northern Ireland for the White Star Line, the ship was designed for transatlantic travel between Southampton, England and New York.