Released in 1965,The Sound of Music is the fifth highest grossing film of all time. It was so popular that it ran on unbroken release at cinemas worldwide for four and a half years And the story it is tells is a true one — up to a point.T

he film was an adaptation of the 1959 Rodgers and Hammerstein II musical of the same name, which itself was based on Maria von Trapp’s book The Story of the Trapp Family Singers.

More at Source: The true story behind ‘The Sound of Music’