World War I 1919 Paris Peace Conference. The formation of the League of Nations was intended to prevent another world war, but for various reasons failed to do so. The rise of the Nazi Party and their central role in World War II led to a focus on how the Treaty of Versailles affected Germany, but the peace treaties in addition to various secret agreements during the war also transformed borders throughout Europe, Asia and the Middle East, with repercussions that still echo to this day. The term "First World War" was first used in September 1914 by German biologist and philosopher Ernst
Bulgaria during World War I rebellion and the proclamation of a republic by the rebellious troops at Radomir. Bulgaria, forced to seek peace, accepted an armistice with the Allies on 30 September 1918. For the second time in half a decade, the country found itself in the midst of a national catastrophe. Tsar Ferdinand I assumed responsibility for his country's foreign-policy and military failures and abdicated in favor of his son Boris III on 3 October 1918. The Treaty of Neuilly (1919) marked the formal conclusion of Bulgaria's participation in World War I. Stipulations of the treaty included the return of all occupied territories, the