On this day: June 20

POSTED: 04:25 PM MDT Jun 18, 2013    UPDATED: 12:00 AM MDT Jun 20, 2014 
Jaws movie poster

Lizzie Borden is acquitted of giving her mother "40 whacks," the U.S. Army Air Force is formed, the "red telephone" hotline is established, "Leave it to Beaver" airs its final episode, and "Jaws" has moviegoers reconsidering their beach vacations, all on this day.