On this day: February 7

POSTED: 04:01 PM PST Feb 06, 2013    UPDATED: 11:00 PM PST Feb 06, 2013 
The Beatles arrive in America, 1964

The Mississippi River is rocked by earthquakes, Baltimore burns, Chaplin debuts "The Tramp," The Beatles arrive in America, and space shuttle astronauts make the first untethered spacewalk, all on this day.