On this day: December 9

POSTED: 03:09 PM MST Nov 27, 2013    UPDATED: 12:00 AM MST Dec 09, 2013 
first computer mouse

The first traffic lights are installed, the first Heisman Trophy is awarded, The Supremes' debut album is released, the computer mouse makes its debut, and The Jacksons play their last show, all on this day.