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Ferdinand was killed with his wife Sophie by Serb Nationalist Gavrilo Percip when visiting Seravejo. He had already survived an attempted assisanation just earlier that day.
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Austria blamed the assasination of Ferdinand on the Serbian government, therefore, declaring war on them.
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Turkey enters the Central Powers side of the war, giving help to a German naval bombardment of Russia.
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Critical of the Dardenelles campaign, Winston Churchill resigns as First Lord of the Admiralty. He later joined the army as a battalion commander.
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The Battle of Jutland was a naval Battle between the Grand Fleet and the High Seas Fleet near Jutland, Denmark. This ended being the largest naval battle of World War I.
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Romainia joins the War on the Ally side, later declaring war on Austria/Hungary.
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Germany air raids London, with hopes that by making raids on them the British Air Force would be forced to Protect their home front instead of attacking the German Air force.
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In Early 1917, Germany was ordered to sink all allied or neutral ships. In merely one month, almost one million tons of shipping was sunk.
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US President, Woodrow Wilson, declares war in early April on Germany in response to Germany sinking their ships.
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At eleven AM, the Armisitice was signed ending the war in Redonthes, France.