On May 31 1916, the Royal Navy precipitated an apocalyptic head-to-head battle with the German Imperial fleet. 151 British warships, many the most modern in Britain’s Grand Fleet, confronted 99 German ships. This was supposed to be a walkover – Britain’s second Trafalgar. But it didn’t work out that way. Instead, the Battle of Jutland was the bloodiest day in the history of the...