december 9

On this day: December 10

"Huckleberry Finn" is first published, the first Nobel Prizes are awarded, the first transcontinental flight ends, Playboy debuts, and "Avatar" premieres in theaters, all on this day.

On this day: December 9

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