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Strained relations between empires and the news of Serbian nationalists assassinating the Austrian Heir, Archduke Francis Ferdinand and his wife, Sophie, sparked the First World War. Photo: The Art Archive/Superstock
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The Triple Entente (United Kingdom, France and Russia) and the Triple Alliance (Germany, Austria-Hungary and Italy) fought across Europe for more than four years.
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The Triple Entente, led by the United Kingdom and France and supported by the United States, Italy, and Japan, claimed victory over the Central Powers of Germany, Austria-Hungary, and the Ottoman Empire in November 1919. The Treaty of Versailles marked the end of the war and effectively dismantled some empires. Photo: AbleStock.com/Thinkstock
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After much political maneuvering by the Nazi Party, Hitler is named chancellor of a coalition government of the NSDAP-DNVP Party. Photo: Photos.com/Thinkstock
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The western allies declare war on Germany for its invasion of Poland. Photo: Photos.com/Thinkstock
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When the war is over, Britain, France and Germany are broken empires. The United States and the Soviet Union are the two remaining great powers. Photo: Science and Society/Superstock