Funny, of the films you mentioned not a single one was ever nominated for anything.
Your kidding me right? TELL ME YOUR KIDDING ME!
The following films are on the American Film Institute's list for BEST 100 FILMS OF ALL TIME:
Frankenstein(1931), Birth of a Nation (1915), Duck Soup (1933), City Lights (1931), , Snow White and The Seven Dwarfs (1937), Bringing up Baby (1938), King Kong (1933), Angels wtih Dirty Faces (1938).
Scarface (1933) - Though not on the list is hugely significant, it single handly change the course of films forever by forcing movie studios to enforce the Production Code which brought with it heavy censoring for the next 40-60 years.
I Am a Fugitive from a Chain Gang (1932) - Nominated for Best Picture, Actor, and Sound
The General (1927) - Pretty much the outline for the modern action film
The following are foreign films
Nosferatu (1922), Metropolis (1929) & Dr. Caligari (1920) - German Expressionism, next time you watch any Universal Monster Film or even Film Noir, you can thank these films for that lighting you enjoy so much.
Adventures of Prince Achmed (1926) - First animated feature length film
Battleship Potemkin (1925) - The basis for modern editing techiques...
Yeah you were saying?