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Arucduke Franz Ferdinad was assassianted. His death sparked the start or WWI
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Russia starts to get its army ready to invade Austria-Hungary in favor of its ally, Serbia
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A passenger ship called the Lusintania is sank by German submarine and their tactic of unrestricted submarine warfare. The sinking of the boat killed 130 Americans
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Russia invades Belgium offically starting WWI
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The Germans decided to limit their submarine warfare to try and keep the United States out of the war.
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The first tanks are used by the British at Delville Wood. They are good for running through barbed wire and clearing a path for infantry but they are not as effective of a weapon as the British hoped.
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The United States intercepted a telegram sent from Germany to Mexico trying to get Mexico to form an alliance with them. They wanted Mexico to attack America to keep them occupied and out of WWI
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The United States declares war on Germany. They enter the war on the side of France and Britian.
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Congress pass the Selective Service Act which started the draft. Wilson doesn't like the law but he sees no other choices so he signs the bill.
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Russia and Germany sign a peace treaty with the new Bolshevik goverment of Russia. This ends fighting on the Eastern Front
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First American offensive during war. Wasn't a very big battle but the US fought bravely and moved onto larger attack on German forces
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An armistice is signed ending the fight on the Western Front
