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when did the world war ll
On June 28, 1914, a young Serbian nationalist named Gavrilo Princip killed Archduke Franz Ferdinand, heir to the throne of the Austro-Hungarian Empire, in Sarajevo, Bosnia. Taking place against a backdrop of escalating tensions in the Balkans, the assassination set off a chain of events that would lead to the start of World War I barely one month later. To many people, the Great War—as it was known at the time—seemed to come out of the blue, as the European continent was enjo