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Japan declares war on Germany
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Archduke Francis Ferdinand and his wife was assassinated by Gavrillo Princip a Serbian nationalist in Sarajevo. Princp was part of the group The Black Hand.
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The Black Hand was a secret Serbian society that used terrorist methods to promote liberation of Serbs outside of Serbia. They responsible for the assassination of Archduke Franz Ferdinand.
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One month to the day after Archduke Franz Ferdinand of Austria and his wife were killed by a Serbian nationalist in Sarajevo, Austria-Hungary declares war on Serbia, effectively beginning the First World War.
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President Woodrow Wilson declared that the U.S. would not take sides they would be Neutral.
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Great Britain declares war on Belgium
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Austria-Hungary declares war on Russia
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It was when the Mons retreated in the first battle of the Marne. Was against Germany and the British with France.
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Germany used Unrestricted U-boat warfare. They attacked any ships going in or out of Britain including U.S. boats.
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First airship raid against England
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The Lusitania was a passenger ship sucked by a German U-boat sunk the British luxury liner, the RMS Lusitania. 1,198 people lost their lives, including 128 Americans.
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German zeppelin airship appeared in London and started drooping. This was the first time London was bomb from the air.
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When Woodrow Wilson was elected his campaign slogan was, "he kept us out of war."
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The Zimmerman Telegram was a secret communication issued from the German Foreign Office. It proposed a military alliance between Germany and Mexico to fight against the U.S. In return of the alliance between Germany and Mexico, Germany was going to help Mexico get back the land they lost in the Mexican-American War.
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Woodrow Wilson said, "The world must be made safe for democracy." The U.S entered the WWI. The U.S. joined its allies Britain, France, and Russia to fight in WWI.
