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Austrian Archduke francis ferdinand assassinated
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Council of Austro-Hungarian Ministers approve of draft ultimatum to Serbia
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Existence of secret agreement for mutual support between Italy and Rumania announced by respective Governments.
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First battle of The Marne
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Portugal seizes German steamers in the Tagus
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Surrender of British troops at the siege of kut in Mesopotamia.
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Settlement Treaty signed at Berlin between Germany and Turkey
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Untied states congress declares war on Germany.
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Congress of Soviets meet at Moscow to ratify treaty of peace with Central Powers
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Hundred days offensive begin.
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The treaty of versailies is signed, the league of nations is created.
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The Allies secretly agree to military intervention in the Russian Civil War.
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Federal agents break into the homes and meeting places of thousands of suspected revolutionaries in the thirty-three cities.
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Washington Conference for Naval Disarmament was convened by the US, and Japan was invited to attend
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