AFI's 100 GREATEST AMERICAN MOVIES OF ALL TIME
In 1998, AFI invited more than 1,500 leaders from across the American film community – screenwriters, directors, actors, producers, cinematographers, editors, executives, film historians and critics among them – to choose from a list of 400 nominated films compiled by AFI and select the 100 greatest American movies.
The AFI's 100 Years...100 Movies CBS television special originally aired on June 16, 1998.
Honoring the 10th anniversary of this award-winning series, a jury of 1,500 film
artists, critics and historians determined that CITIZEN KANE remained the
greatest movie of all time. The television special AFI's 100 Years...100
Movies – 10th Anniversary Edition originally aired on CBS on June 20, 2007.
Source: http://www.afi.com/100years/