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The war began when Poland assassinated Archduke Franz Ferdinand of Austria.
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America and Germany sever ties due to the sinking of American ships.
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The United States declares war on Germany, joining the side with France and Britain.
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The Federal government was allowed to draft all males ranging in age from 21-30 for millitary service.
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American troops land in France.
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The Battle of Cantigny was the first major battle for the United States in WWI. The U.S. won the battle.
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Under General John J. Pershing, America launched its first major offensive in Europe on their own.
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In November 1918, after nearly 10 million people died, Germany surrenders and the war is over.