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Gavrilo Princip kills Archduke Francisco Fernando de Habsburg, heir to the throne of the Austro-Hungarian Empire.
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After a month of the murder, Austria-Hungary declares war on Serbia.
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Murder of the French socialist and pacifist leader Jean Jaures
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Germany declares war on Russia. France and Germany declare general mobilization
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Germany declares war with France
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Japan declares war with Germany
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25.000 members of the Assyrian-Chaldean community established in the west of the Euphrates River and in southern Turkey are massacred.
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The Germans launch the first attack with toxic gases against the French and Canadian soldiers on the west front, between Langemarck and Ypres (Belgium)
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500,000 dead, French and German.
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The last Austro-Hungarian emperor, Francisco José I. dies.
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Germany launches the submarine war at extreme cost, which precipitates the rupture of diplomatic relations with this country by the United States.
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The Spanish flu spreads throughout the world causing 20 million deaths in eight months.
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