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Increasing diplomatic tensions between the European great powers reached a breaking point on 28 June 1914, when a Bosnian Serb named Gavrilo Princip ...
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World War I (WWI or WW1), also called the First World War, began on July 28, 1914 and lasted until November 11, 1918. It was a global war and lasted exactly ...
Causes of World War I · Immediate causes · Polarization of Europe, 1887–1914 · Domestic political factors · Imperialism · Social Darwinism · Arms race ...
Under the leadership of President Woodrow Wilson, the war represented the climax of the Progressive Era as it sought to bring reform and democracy to the world.