On this day: October 4

Published On: Oct 03 2012 08:01:41 PM EDT   Updated On: Oct 04 2013 02:00:00 AM EDT

Work begins on Mount Rushmore, Sputnik is launched into space, the pope visits America for the first time, Janis Joplin is found dead of an overdose, all on this day.

OTD October 4 - Buster Keaton
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Library of Congress

1895: Comedian Buster Keaton, who would become known for his silent films featuring physical comedy, is born in Piqua, Kansas. Some of his best-known films include "The General," "Our Hospitality," "Sherlock, Jr." and "The Navigator."