On this day: December 27

POSTED: 01:53 PM MST Dec 26, 2012    UPDATED: 12:00 AM MST Dec 27, 2013 
Howdy Doody museum display

Charles Darwin embarks on the HMS Beagle, "Howdy Doody" makes its TV debut, Apollo 8 splashes down after orbiting the Moon, and the Soviet Union occupies Afghanistan, all on this day.