On this day: January 4

POSTED: 04:04 PM MST Jan 03, 2013    UPDATED: 12:00 AM MST Jan 04, 2013 
Nancy Pelosi elected Speaker of the House, 2007

Billboard publishes its first music chart, Sputnik falls to Earth, The Beatles record together for the last time, and Nancy Pelosi becomes the first female speaker of the House, all on this day.