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Archduke Francis Ferdinand is assassinated
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Austria-Hungary declares war on Serbia
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Russia begins mobilization
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Germany declares war on Russia
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Britian declares war on the Central Powers
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Germany invades Belgium
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America declares itself a neutral country
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Lusitania sinks
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The Sussex Sinks
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Period: to
The Battle of Somme
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Germany abandons Sussex Pledge
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First use the Convoy System in WW1
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Lenin signs a treaty w/ Germany, Causing Russia to leave the war
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Germany sinks the City of Memphis, Illinois, and the Vigilancia
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Czar Nicholas II abdicates
Being associated with an autocratic government made American hesitant to join a war on the side of Russia. After the Russian Reveloution, this problem no longer exsited. -
America formally decares war on the side of the Allies
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The Selective Service Act is passed
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Germany advances past trenches, into Allied territory
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USMC and Army stop German troops at Belleau Wood and Chateau-Thierry
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Guns fall silent