38 years ago:  1975 - Steven Spielberg released "Jaws""Jaws" is credited with starting the whole "summer blockbuster" phenomenon.  It was the highest-grossing film in movie history, earning $260 million in the U.S., until "Star Wars" came out two years later.  ("Star Wars" made $307 million in the U.S.)

20 Facts About Jaws That Might Make You Want to Scream, "Shaaark!" ---> HERE