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Archduke Ferdinand is assasinated
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Austria-Hungary declares war on Serbia.
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Declaration of war under terms.
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Battle of Tannenberg.
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Triple-Entente No separate.
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Lusitania torpedoed.
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Douglas Haig commander of British troops.
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Conscription introduced in Britian.
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Battle of Jutland.
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Battle of Somme.
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United States declares war on Germany
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Royal airforce formed.
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Amistace is signed
