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Archduke Francis Ferdinand of Austria was assassinated
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The first division of Canadian troops sailed to complete its training in Great Britain
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Germany failed to reach the English Channel in the First Battle of Ypres
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The first Canadian soldiers land in France
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Beginning of the Allied withdrawal from Gallipoli
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Germany began unrestricted submarine warfare
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The United States declared war on Germany
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Germany launched an offensive on the Aisne
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President Wilson announced his Fourteen Points program for peace
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The Allies began their final offensive on the Western Front
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