At 08:12 am on 21 November 1916 , HMHS '' Britannic '' struck a mine at , and sank . 1,036 people were saved . Thirty men lost their lives in the disaster . One survivor , nurse Violet Jessop was notable as having also survived the sinking of RMS '' Titanic '' in 1912 , and had also been on board RMS '' Olympic '' , when it collided with HMS '' Hawke '' in 1911 . '' Britannic '' was the largest ship lost during World War I , but her sinking did not receive the same attention as the sinking of '' Titanic '' , or the sinking of the Cunard liner , when she was sunk by a torpedo in the Irish Sea
sunk by a torpedo
Sinking of the RMS Lusitania
Olympic-class ocean liner