Most cinephiles consider 1939 the best year ever for American film. A partial list of movies released in 1939:
The Adventures of Huckleberry Finn
The Adventures of Sherlock Holmes
Another Thin Man
Beau Geste
Dark Victory
Drums Along the Mohawk
Gone with the Wind
Goodbye, Mr. Chips
Gunga Din
The Hunchback of Notre Dame
Intermezzo
Jamaica Inn
Mr. Smith Goes to Washington
Ninotchka
Only Angels Have Wings
The Private Lives of Elizabeth and Essex
Stagecoach
The Wizard of Oz
The Women
Wuthering Heights
Young Mr Lincoln