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The Triple Alliance is formed consisting of Germany, Italy, and Austria-Hungary.
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The Allied Powers are formed consisting of Russia, France, and Britain. America entered the alliance in 1917 when they entered the war.
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Franz Ferdinand was killed by Serbian revolutionists in 1914. The group "Black Hand" were the coulprets responsible for his death, which sparked the start of WWI.
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The Emperor of Austria-Hungary declared war on Serbia a month after Ferdinand's assassination.
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Germany declares war and mobilizes their troops on Russia.
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France joins the Allied Powers and is fighting in the war. Their first move was invading Germany.
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2 days after the declaration of war with Russia, Germany declares war on France.
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Beliguim has entered the war.
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The UK declares war with Germany.
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Canada enters the war joining Britain.
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Austria-Hungary Declares war on Russia a few weeks after Germany does.
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The allies begin to fight a battle for almost a year.
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A German u-boat sinks the "Lusitania" American ship, killing a few hundred to a few thousand people.
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Italy declars war with Austria Hungary.
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After almost a year, the Battle of Gallipoli with the allies is slowly ending.
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After the sinking of the American ship (Lusitania), Wilson does not want Germany to sink anymore ships.
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Woodrow Wilson is re-elected into office over in America.
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Zimmermann's telegram is sent from Germany, to Mexico to try and get them on their side The messege is intercepted and translated by the British and eventually leaked to American Newspapers.
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Woodrow Wilson finally declares war on Germany late into the war.