never publicly stated that the Titanic was unsinkable (although a contemporary White Star brochure stated that the Olympic class of liners was “designed_to be unsinkable” -Phil Hayward) it was the public and the press who marveled at the many lifesaving devices such as automatic watertight ...
The Wilhelm Gustloff is the unfortunate record holder with ~9,500 or so lives after being torpedoed by a Russian submarine in the Baltic during the final months of WWII in Europe. WWII in particular racked up several dozen losses that surpassed Titanic's death toll. Most were ocean liners ...