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World war one starts by Austria-Hungry declares war on Serbia.
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Russia fully mobilizes armed forces to help Serbia.
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Germany declares war on russia.
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Germany declares war on France.
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Austria-Hungary declares war on Russia
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Germany sinks the ship killing 128 american citizns and 1,200 people
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Erich Muenter, a German instructor at Cornell University, commits suicide after detonating a bomb in the U.S. Senate reception room.
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Germany responds to U.S. anger by ending its policy of sinking ships without warning.
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Henry Ford charters a "Peace Ship," in an effort to end World War I.
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President Woodrow Wilson demands that Germany end unrestricted submarine warfare.
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A bomb explodes at a pro-war preparedness parade in San Francisco, killing ten.
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Woodrow Wilson gets re-elected as President of the United States with campaign slogan: "He kept us out of the war"
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Britain intercepts and translates German Foreign Secretary Zimmermann's telegram to Mexico urging its entry into war against the United States.
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Germany resumes unrestricted submarine warfare. Returning to how it was before they called it off from the Lusitania.
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In a speech asking Congress to declare war against Germany
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The United States declares war on the Central Powers.
