After WWI, Europe was left in bad conditions and Germany was blamed for war. Almost of Germany's territory was taken from them, and all of their land overseas was lost. The League of Nations took control of all their colonies. The war cost them about 10 percent of their land and their overseas colonies, were taken away by allies, who blamed Germany for their losses. On June 28, 1919, the Treaty of Versailles was signed. The treaty of Versailles was an official peace treaty which officially ended the war.