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WW1
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Russia
Austria Hangary Invades Russia -
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Germany
Germany invades Luxembourg and Belgium. ... -
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France
France, and invades neutral Belgium. -
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Great Britan
Great Britain declares war on Germany -
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Serbia
Austria-Hungary declares war on Serbia -
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United States
Congress passes the Espionage Act, making it a crime for any person to convey information intended to interfere with the prosecution of the war effort or to promote the success of the country’s enemies.