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The first imediate cause of war.
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The first Zeppelin raid on Britain.
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The Lusitania was sunk by Germany U-Boats
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The longest and bloodiest battle of WWI
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The Battle of Jutland was the major Naval battle of the war.
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The Battle of Somme was the first battle where tanks were introduced.
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Germany sent a sectet letter, it statedsthat they would provide military and financial support for Mexico, in exchange they would be free to annex “the lost territory in Texas, New Mexico and Arizona.”
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President Woodrow Wilson issued his fourteen points to peace
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Russia sign the Treaty of Brest Litovsk, peace treaty between Russia and the Central Powers
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