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Franz Ferdinand and his wife were assassinated by 19 year old, Gavrilo Princip. This began to break the fragile piece that was among the European nations.
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Austria-Hungary declared war on Serbia
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Germany joins sides with Austria-Hungary, thus enters WWI.
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Germany decides to make first strike against Western Europe by attacking France.
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Belgium was wanting to stay out of the war. However when Germany invaded, Belgium was forced to reconsider their position.
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After Germany's declaration of war against France, Great Britain decided to join forces with France.
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Japan an ally of Great Britain, joins the battle of WWI. They hoped to gain German held territories in the Pacific.
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Under German pressure, Turkey joins the central powers. The Turkish thought Germany would win and wanted to be on their side.
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Germany sank British passenger ship. 1,200 people were killed, 128 being Americans.
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Italy was sympathetic to Germany and Austria-Hungary before WWI. Later Italy viewed them as the aggressor and officially entered the war.
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French passenger ship that was unarmed was sunk by a German U-boat. Americans were injured and this angered President Woodrow Wilson
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Italy was a long time ally of Romania. After Romania was defeated by Germany, Italy officially declared war against them.
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With the slogan, "He kept us out of war." President Wilson was re-elected to a second term.
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Germany announces it will return to unrestricted u-boat warfare. This leads to the end of diplomacy between the two nations.
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U.S. intercepted the Zimmerman Telegraph. Germany was going to ask Mexico to help them fight against the U.S.
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President Wilson asked his war cabinet to declare war on Germany. The vote was unanimous in favor of declaring war.
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President Wilson delivers a passionate speech asking congress to declare war on Germany.
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America had hope to remain neutral throughout WWI. With many of her allies already in battle, America officially joined the war.
