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Archduke Franz Ferdinand of Austria and his wife Sophie are shot to death by a Bosnian Serb nationalist during an official visit to the Bosnian capital of Sarajevo
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The world's first mechanized war introduced enhanced weaponry and equipment, most of it designed to take lives but some of it aimed at saving lives.
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the First World War, as Germany, ,waged submarine warfare against the United Kingdom which had implemented a naval blockade of Germany.
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a secret diplomatic communication issued from the German Foreign Office, that proposed a military alliance between Germany and Mexico.
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The Russian Revolution was a period of political and social revolution across the territory of the Russian Empire which started with the abolishment of the monarchy and concluded with the establishment of the Soviet Union
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Woodrow wilson asked Congress to declare war against Germany, and the US entry into WW1
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a major part of the final Allied offensive of World War I that stretched along the entire Western Front.
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armistice signed at Le Francport near Compiègne that ended fighting on land, sea and air in World War I between the Allies and their opponent.
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The Fourteen Points was a statement of principles for peace that was to be used for peace negotiations in order to end World War I.
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peace treaties that brought World War I to an end.