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Franz Ferdinand was shot by Serbian nationalist sparking the fire that will be WWI
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Austria declares war on Serbia after assassination of Archduke Franz Ferdinand
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Lusitania sinks do to German unrestricted submarine warfare
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naval battle fought by the British Royal Navy's Grand Fleet against the German fleet
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Zimmerman Telegram Published in the US showing that Germany wants Mexico to fight America
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Germany resumes unrestricted submarine warfare and sinks pretty much anything
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Russian Revolution begins transforming their government
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US declares war on Germany because of the Zimmerman telegram and alliances
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Influenza epidemic that affected most countries
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Russia signed Treaty of Brest-Litovsk and pulled out of war
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end of WWI
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Treaty of Versailles signed officially ending war