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Archduke Franz Ferdinand, heir to Austria-Hungary's throne, and his wife, Sophie, were assassinated while visiting Sarajevo, Bosnia.
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The decleration for war was sents a telegram
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Official outbreak of WW1
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U.S. President Woodrow Wilson announces the U.S. will remain neutral.
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One of the first WW1 battles. It resulted in an allied victory against Germany.
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Ended in French Victory, which results in stalemate
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German submarine blockade of Great Britain begins. Contributed to their defeat in 1918 and enforced the signing of the Treaty of Versailles
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The Battle of the Somme begins. During the Battle of the Somme, tanks are first introduced into battle.
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U.S. President Woodrow Wilson issues his Fourteen Points to peace.
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The Treaty of Versailles officially ends WWI.