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Franz got shot to death by Bosnian Serb during a visit from the Bosnian Capital of Sarajevo.
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After 1 month of Franz Ferdinand's death, Austria-Hungary declares war on Serbia.
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Germany declares war with Russia and France and Belgium begin full mobilization.
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Germany declares war with France and invades neutral Belgium.
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Great Britain Declares war on Germany
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Great Britain and France both Declare war on Austria-Hungary and Serbia is invaded by Austria-Hungary.
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The first confrontation on European soil since the Battle Of Waterloo in 1815.
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Austria invades Serbia for the death of Franz Ferdinand and the British Navy suffers a worst defeat in the Pacific.
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Germany declares the waters surrounding British Isles to be a war zone in which ships can be sunk without warning.
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The Armenian Genocide began and they arrested and executed several hundred Armenian intellectuals.
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There were promises and the sign of Treaty of London, committing itself to enter WWI on the side of the Allies.
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The British ocean liner Lusitania is torpedoed without warning by a German submarine off the south coast of Ireland.
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The battle of Somme was the worst day in history of the British Army, 29,000 people were killed and many more wounded.
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The Britannic sister ship to the Titanic sinks in the Aegean Sea, killing 30 people and more than 1000 people were rescued.
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British troops launch an offensive attack against Turkish forces at Khadairi Bend.
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Revolution focused around Petrograd and the capital of Russia. .
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President Woodrow Wilson went before a joint session of Congress to request a declaration of war against Germany.
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The first American troops landed in France.
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China declares war on Germany and Austria-Hungary
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Action of Tikrit (Mesopotamia)
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President Wilson delivers message to Congress laying down the "Fourteen Points".
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There was an outbreak of a deadly influenza epidemic during WWI in the United States in Kansas.
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The Spanish Civil War was an armed conflict between the Republicans and the Nationalists led by General Francisco Franco.
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The Armistice was the armistice that ended fighting on land, sea and air in WWI.
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After WWI ended leaders from the Allied Nations began a series of discussions that became known as the Paris Peace Conference.
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The Treaty ended the state of war between Germany and the Allied Powers.
