At 11:00 am GMT on 11 November 1918 (later known as Armistice Day), World War I came to an end following an armistice with Germany. During the course of 1919 and 1920 the Allied powers signed the treaties of Versailles, Saint-Germain-en-Laye, Neuilly-sur-Seine, Trianon, and Sèvres bringing the war to an official end.The aftermath of involved. Four empires collapsed due to the war, old countries were abolished, new ones were formed, boundaries were redrawn, international organizations were established, and many new and old ideologies took a firm hold in people's minds.World War I also had the effect of bringing political transformation to Germany and the United Kingdom by bringing near-universal suffrage to these two European powers, turning them into mass electoral democracies for the first time in history (see United Kingdom general election, 1918 and German federal election, 1919).