The titanic , the biggest ship of its day , was thought unsinkable , but it sank on its first voyage in 1912 .
泰坦尼克号,当时最大的邮船,被认为是不沉的,然而就在1912年的首航中沉没了。
Was the unsinkable titanic the ship of empire going down , just before the world war that was to change the nature of social relations and attitudes to authority ?