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
Thirty Years' Peace Thirty Years' Peace The Thirty Years' Peace was a treaty, signed between the ancient Greek city-states Athens and Sparta, in the year 446/445 BCE. The treaty brought an end to the conflict commonly known as the First Peloponnesian War, which had been raging since c. 460 BCE. The purpose of the treaty was to prevent another outbreak of war. Ultimately, the peace treaty failed in achieving its goal, with the outbreak of the Second Peloponnesian War in 431 BCE. Athens was forced to give up all of her possessions in the Peloponnese which included the Megarian ports of Nisaea and