The Allied Powers (France, Russia, the British Empire, and later, Italy and the US) defeated the Central Powers (Austria-Hungary, Germany and the Ottoman Empire) Also called ‘the Great War’, and ‘The War to End All Wars’, the war caused the disintegration of four empires: the Austro-Hungarian, German, Ottoman, and Russian. World War I created a decisive break with the old world order that had emerged after the Napoleonic Wars, which was modified by the mid-19th century’s nationalistic revolutions