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  Franz Ferdinand was killed by Gavrilo Princip, who is in the Serbian terrorist group called the black hand
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  Germany invades Belgium which starts WWI
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  It was a failed attempt by the Allied powers to control the sea route from Europe to Russia.
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  The Germans fired shells filled with gas at Allied lines. Was the first time lots of gas was used in battle.
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  A German submarine sinks the Lusitania that had 1,198 people on it and 128 of them were Americans.
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  The British employ the first tanks to be used in battle. Although they were useful they fail to be the decisive weapon.
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  Congress authorizes a declaration of war against Germany. The U.S. enters on the side of France and Britain
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  It is the first major American offensive of the war.
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  Begins when the U.S. Marine Corps attacks the Germans across an open field.
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  It begins when 300,000 American troops under the direct command fling themselves into the German lines.
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  He ended all German hope for victory. He slipped over the boarder into Netherlands where he lives out the remainder of his life in relative peace
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  The Armistice signed between the Allies ending fighting on the Western Front.