10 Influential Films of 20th Century

Year of Released : 1903
Director : Edwin S Porter
It's the 12 Minutes revolutionary short film from Edwin S Porter which had changed the grammar of World Cinema. New techniques of film making and narration had been introduced in this movie.

Year of Released : 1915
Director : D.W.Griffith
Master piece silent drama film by Griffith. It was the first 12-reel feature film of the world. It conceived the relation of 2 families in US-Reconstruction era.
http://en.wikipedia.org/wiki/The_Birth_of_a_Nation

Year of Released : 1927
Director : Fritz Lang
The most influential movie from the era of German Expressionism. It was the pioneer movie of science fictions later released.

Year of Released : 1940
Director : Charlie Chaplin
One of the greatest films by Chaplin which had portrayed the dictatorship of Adolf Hitler.
http://en.wikipedia.org/wiki/The_Great_Dictator

Year of Released : 1941
Director : Orson Welles
Considered as text book of film students. This movie had introduced novel narration and BGM styles in to the world cinema.
http://en.wikipedia.org/wiki/Citizen_Kane

Year of Released : 1948
Director : Vittorio De Sica
The foundational movie for the Art cinemas in the world. This movie has expressed the real face of Itlay in the Second World War.
http://en.wikipedia.org/wiki/Bicycle_Thieves

Year of Released : 1951
Director : Akira Kurasowa
The first remarkable movie from Japan. This is debatable for it's way of narration and perfomance.
http://en.wikipedia.org/wiki/Rashomon

Year of Released : 1955
Director : Satyajith Ray
The Human document of Indian life. The first establishing movie from India.
http://en.wikipedia.org/wiki/Pather_Panchali

Year of Released : 1960
Director : Alfred Hitchcock
Pioneer movie for the psychological thrillers in the world. It was the master of Hitchock which executed his unique way of film narration.
http://en.wikipedia.org/wiki/Psycho_(1960_film)

Year of Released : 1997
Director : James Cameroon
The most successful and expensive movie of 20th century. It had grabbed 11 academy awards of that year.
http://en.wikipedia.org/wiki/Titanic_(1997_film)