[["Lord Mountbatten was murdered on the 27th of August 1979.", 60.0], ["Lord Mountbatten was killed in an explosion on his boat on 27 August 1979.", 44.0], ["1979\nThe assassination of Prince Charles's great-uncle and confidant, Lord Mountbatten, at the hands of the IRA in 1979, rocked the royal family.    ", 14.0]]
what year was lord mountbatten murdered
history