On this day: July 4

POSTED: 2:29 PM PDT June 27, 2012    UPDATED: 11:00 PM PDT July 3, 2014 
Second Continental Congress, U.S. Declaration of Independence

The United States declares its independence, an "Iron Horse" retires, the Beach Boys hit No. 1 for the first time, and we lose three presidents, all on this day.