First World War had bathed the new century in blood. Endless fields of gravemarkers quilted the landscape of Europe. Nine million lost their lives in a horrible war of attrition. A whole generation was traumatized by the horror of the trenches -- and swore that this would surely be the war to end all wars. Lost Peace revisits the popular hopes and experience in the years following World War 1 -- and the looming threat of new mass conflicts. At the Versailles Peace Conference of 1919, American President Woodrow Wilson held out a promise to the "silent masses of mankind," of a "people's peace" -- a peace made secure by the new League of Nations and the achievement of universal disarmament. Yet only two decades later, the children of those who suffered the Great War were preparing for another global conflict that would see even more bloodshed than the first.