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.

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1931: The comic strip "Dick Tracy" makes its debut in the Detroit Daily Mirror. The strip was created by Chester Gould, who would write and draw the strip until 1977, when others took over production of the still-running strip.