For this piece of homework we had to find 5 different films from 5 different time eras for a set list of genres. Here's what I did:
Western1910's - 1920's - Straight Shooting (1917)
1930's - 1940's - Under Western Skies (1945)
1950's - 1960's - The Searchers (1956)
1870's - 1980's - Blazing Saddles (1974)
1990's - Present - Wild Wild West (1999)
Horror1910's - 1920's - Frankenstein (1910)
1930's - 1940's - Dracula (1931)
1950's - 1960's - Psycho (1960)
1970's - 1980's - The Shining (1980)
1990's - Present - The Silence Of The Lambs (1991)
Crime/Thriller1910's - 1920's - The Lone Wolf's Daughter (1919)
1930's - 1940's - King Kong (1933)
1950's - 1960's - The Night Of The Hunter (1955)
1970's - 1980's - The Godfather (1972)
1990's - Present - Goodfellas (1990)
Action1910's - 1920's - The General (1926)
1930's - 1940's - The Public Enemy (1931)
1950's - 1960's - Seven Samurai (1954)
1970's - 1980's - Raiders Of The Lost Ark (1981)
1990's - Present - The Dark Knight (2008)
Romance1910's - 1920's - The Woman God Forgot (1912)
1930's - 1940's - Casablanca (1942)
1950's - 1960's - Romeo And Juliet (1968)
1970's - 1980's - Grease (1978)
1990's - Present - The Notebook (2004)
Sci - Fi1910's - 1920's - The End Of The World (1916)
1930's - 1940's - The Invisible Man (1933)
1950's - 1960's - 2001: A Space Odyssey (1968)
1970's - 1980's - E.T (1982)
1990's - Present - Men In Black (1997)
Documentry1910's - 1920's - The Life Of A Salmon
1930's - 1940's - The City (1939)
1950's - 1960's - Seven Up! (1964)
1970's - 1980's - The Thin Blue Line (1988)
1990's - Present - Supersize Me (2004)