History of film genres

For homework, we were asked to find films of seven different genres from as early as 1910 to present day. Here's what I found:

Western:
1910-1920’s: By Indian Post (1919)
30s-40s: Billy The Kid (1930)
50s-60s: The Hellbenders (1967)
70s-80s: Once upon a time in Texas (1988)
90s-present day: Wild Wild West (1999)

Horror:
1910-1920’s: Dr Jekyll and Mr Hyde (1920)
30s-40s: Dracula (1931)
50s-60s: Psycho (1960)
70s-80s: The Exorcist (1973)
90s-present day: Paranormal Activity (2009)

Crime/thriller:
1910-1920’s: The Lodger (1926)
30s-40s: The Man Who Know Too Much (1934)
50s-60s: The Killing (1956)
70s-80s: Jaws (1975)
90s-present day: Reservoir Dogs (1992)

Action adventure:
1910-1920’s: 20,000 Leagues Under The Sea (1916)
30s-40s: King Kong (1933)
50s-60s: From Russia With Love (1963)
70s-80s: The Spy Who Loved Me (1977)
90s-present day: Jumanji (1995)

Romance:
1910-1920’s: Fools Paradise (1921)
30s-40s: Casablanca (1942)
50s-60s: Breakfast at Tiffany’s (1961)
70s-80s: When Harry Met Sally (1989)
90s-present day: Titanic (1997)

Sci-fi:
1910-1920’s: The Mysterious Island (1929)
30s-40s: Man Made Monster (1941)
50s-60s: Dr. Who And The Daleks (1965)
70s-80s: Star Wars Episode VI: Return of the Jedi (1983)
90s-present day: Inception (2010)

Documentary:
1910-1920’s: Grass: A Nation’s Battle For Life (1925)
30s-40s: A Diary for Timothy (1945)
50s-60s: Don’t Look Back (1967)
70s-80s: Imagine: John Lennon (1988)
90s-present day: Aryton Senna (2011)