Aftermath of World War I Slovenians made strong claims on some German-speaking territories. The result was treaties that compromised many ideals, offended many allies, and set up an entirely new order in the area. Many people hoped that the new nation states would allow for a new era of prosperity and peace in the region, free from the bitter quarrelling between nationalities that had marked the preceding fifty years. This hope proved far too optimistic. Changes in territorial configuration after World War I included: These changes were recognized in, but not caused by, the Treaty of Versailles. They were subsequently further elaborated in the Treaty
Hungary in World War I and its allies from raising territorial claims against Hungary. They finally gave three quarter of pre-war Hungary to surrounding countries by the Peace Treaty of Trianon (4 June 1920). On November 11, 1918, World War I ended for Austria-Hungary with a complete military loss, even if at the time of the collapse, all forces were standing outside the borders of 1914. With the collapse of the army, Austria-Hungary also collapsed. The ethnic groups of Kingdom of Hungary called for independent nation-states. In the Treaty of Trianon signed on June 4, 1920, Hungary lost two-thirds of its territory, more than half