On this day: October 4

Published: Oct 03 2012 08:01:41 PM EDT   Updated On: Oct 04 2012 02:00:00 AM EDT
Janis Joplin file image

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.