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  Archduke Franz Ferdinand of Austria and his wife Sophie are shot to death by a Bosnian Serb nationalist during an official visit to the Bosnian capital of Sarajevo.
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  Wilson states that U.S. will not join the war
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  Germany declares waters around British Isles a war zone
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  Torpedoed without warning, the Lusitania sinks in 18 minutes, killing 1198 (128 Americans)
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  president in u.s