On this day: May 1

Published On: Apr 30 2013 05:16:34 PM CDT   Updated On: May 01 2016 01:00:00 AM CDT

The Empire State Building opens, "Citizen Kane" premieres, Cheerios are introduced, Elvis gets hitched, President Bush delivers his "Mission Accomplished" speech, and President Obama announces the death of Osama bin Laden, all on this day.

OTD May 1 - Pan-American Exposition
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Library of Congress

1901: The Pan-American Exposition opens in Buffalo, New York. The world's fair, which ran through Nov. 2, 1901, is most remembered because U.S. President William McKinley was shot by anarchist Leon Czolgosz at the exposition's Temple of Music on Sept. 6, 1901. McKinley, who died eight days later, had given an address at the expo the previous day.

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