Titanic Historical Society of the disaster in Boston, Massachusetts. The event brought together several living survivors, including Eva Hart, Louise Pope, Michel Marcel Navratil, and Beatrice Sandstrom, who enthralled those in attendance with their vivid first-person accounts of the night the "Titanic" foundered in the north Atlantic Ocean. Walter Lord, author of his seminal "Titanic" work, "A Night to Remember", was another featured guest. The Society also works to preserve the history of other ocean liners, especially the "Titanic" 's sister ship, the White Star Line's HMHS "Brittanic", which sank after hitting an enemy mine in World War I, and the Cunard ship
Sister ship Sister ship A sister ship is a ship of the same class or of virtually identical design to another ship. Such vessels share a nearly identical hull and superstructure layout, similar size, and roughly comparable features and equipment. They often share a common naming theme, either being named after the same type of thing (places, constellations, monarchs) or with some kind of alliteration. Often, sisters become more differentiated during their service as their equipment (in the case of naval vessels, their armament) are separately altered. For instance, the U.S. warships , , , and are all sister ships, each being