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Ferdinand - and his wife Sophie - were killed by Serb nationalist Gavrilo Princip while on a formal visit to Sarajevo. Princip shot Ferdinand at point blank range while the latter was travelling in his car from a town hall reception, having earlier that day already survived one assassination attempt.
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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 United Kingdom declares war on Germany, after Germany invades Belguim
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Austria-Hungary declares war on Russia and Serbia decalres war on Germany
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U.S. President Woodrow Wilson announces the U.Swill remain neautral.
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The battle of Tannenberg begins
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The first battle of the Marne begins
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Battle of Ypres begins
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The United Kingdom announces that the north sea is a military area, affectivly creating a blockdale of goods into Germany
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Germany declares a "war zone" around Great Britain, essentially effecting a submarine blockade where even neutral merchant vessels were to be potential targets.
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The Dardanelles Campaign begins.
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The Second Battle of Ypres begins. It is during Tsar Nicholas II takes personal control over Russia's armies.
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The Battle of Gallipoli begins.
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The Battle of Gallipoli begins.
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The British ocean liner RMS Lusitania is sunk by German U-boat, U-20
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The British ocean liner RMS Lusitania is sunk by German U-boat, U-20
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Tsar Nicholas II takes personal control over Russia's armies
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Germany sends the secret Zimmerman Telegram to Mexico in an effort to entice Mexico to join the war. The British intercept and decipher the coded message.
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The Battle of Verdun begins. The Battle of Verdun was the longest battle of World War 1 and was one of the bloodiest.
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The Battle of Jutland, the major naval battle of the war, begins.
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The Battle of the Somme begins. During the Battle of the Somme, tanks are first introduced into battle.
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Russian Tsar Nicholas II abdicates
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The Battle of Passchendaele (also known as the Third Battle of Ypres) begins.
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The Bolsheviks successfully overthrow the Russian government.
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The armistice agreed upon between the new Russian government and the Central Powers goes into effect.
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• January 8 - U.S. President Woodrow Wilson issues his Fourteen Points to peace.
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Russia signs the Treaty of Brest Litovsk, which is a peace treaty between Russia and the Central Powers.
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Germany launches the Spring Offensive.
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German flying ace, Baron Manfred von Richthofen (more commonly known as the Red Baron), is shot down.
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The Treaty of Versailles officially ends World War 1.
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The Second Battle of the Marne begins.
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German Kaiser Wilhelm II abdicates and flees Germany.
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Germany signs the armistice at Compiegne, France. Fighting ends on the 11th hour of the 11th day of the 11th month (i.e. 11 a.m. on November 11).
