By the time the armistice was signed on 11 November 1918, 65 million men from around the world had joined up to fight. Around 9 million of them died - many of those under the age of 30. This title explains, in chronological order, why events unfolded, who the key figures were for the Allies and the Central Powers, how devastation spread on all fronts and the impact of the war on the lives of everyone.