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
Hospital ship a mobile field hospital for rapid deployment to any ocean or coastal location at a speed of 297 knots (550 km/h, 341.8 mph). Work was 90% complete on this model, "Spasatel", but Soviet military funding ceased and it was never completed. Some hospital ships, such as and "Esperanza del Mar", belong to civilian agencies, and as such are not part of any navy. Mercy Ships, an international charity, do not belong to any government. Hospital ships were covered under the Hague Convention X of 1907. Article four of the Hague Convention X outlined the restrictions for a hospital ship: According