When the defeat of German Empire was inevitable at the final stage of World War I, the country saw an increasing opposition against the war, especially from the German Left that demanded an end to the war. The wave of revolutions swept throughout Germany between 1918 and 1919 where the Social Democrats took over the power in every individual cities. The Treaty of Versailles that signed in Paris on June 28, 1919 resulted to mass reduction of German military and loss of some of former territories of the German Empire, much to dismay from German ultranationalists, monarchists and conservatives.