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  McKinley beat out William J. Bryan for the Presidency.
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  President McKinley was shot at the Pan-American Exposition in Buffalo, New York.
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  Roosevelt, the former Vice President, was inaugurated a week after President McKinley was killed.
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  The Oklahoma territory and Indian territory were combined, making Oklahoma the 46th state in the Union.
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  On this date, Archduke Franz Ferdinand was shot, starting the conflict in Europe that would come to be known as World War I.
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  On this date, President Woodrow Wilson announced that the United States would remain neutral in the war that was taking place in Europe.
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  On this date, America officially joined WWI. Congress declared war four days after President Wilson made the request.