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Archduke Ferdinand of Austria-Hungary, was in a parade in Sarajevo, Bosnia. He and his wife were shot by a Serbian, Gavarillo Princip.
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Woodrow Wilson asks americans to remain nuetral in every way. He wanted to keep America out of the war.
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a U-boat torpedoed the Sussex, a French passengeer steamship. U.S threatened to cut diplomatic ties to Germany(Sussex Pledge). Germans promised again to warn ships before attacking
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Germany informs the U.S that they are ending the Sussex Pledge and resuming to unrestricted submarine warfare
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