"The lamps are going out all over Europe. We shall not see them lit again in our lifetime." So said British Foreign Secretary Sir Edward Gray on the eve of the Great War in 1914.The Bolsheviks seized power in Russia in 1917; Spain was riven by civil war in the 30's, while Japan invaded China, and Mussolini invaded Abyssinia.World at War: 1914-1939 uses contemporaneous reports and photographs, including many eyewitness accounts, to show how these conflicts developed, describing the key battles, tactical decisions and turning points that settled the outcomes.