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Franz Ferdinand assassinated
Austria-Hungary Archduke Franz Ferdinand and his wife were murdered -
Period: to
WW1
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Austria-Hungary declares war on serbia
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Germany declares war on Russia
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Germany declares war on France
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The Battle of Tannenberg begins
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The First Battle of the Marne begins
Trench warfare begins as soldiers on both sides dig in -
Battle of Ypres begins
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Germany declares a "war zone" around Great Britain
creating a submarine blockade where even neutral merchant vessels were to be potential targets -
The Second Battle of Ypres begins
The Germans first use poison gas -
The Battle of Verdun begins
The Battle of Verdun was the longest battle of World War I and was one of the bloodiest -
The Battle of Jutland begins
this was the major naval battle -
The Battle of Somme begins
Tanks were first introduced -
Russian Government overthrown
The Bolsheviks successfully overthrow the Russian government -
U.S. President Woodrow Wilson issues his Fourteen Points to peace
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The treaty of Versailles
This treaty officially ends World War 1