Can’t give you an order but I can give my favorite films by decade.
1920s: The Four Horsemen of the Apocalypse
1930s: The Wizard of Oz
1940s: Casablanca
1950s: The Ten Commandments
1960s: The Sound of Music
1970s: The Godfather Parts I and II
1980s: The Empire Strikes Back
1990s: Schindler’s List
2000s: Crouching Tiger, Hidden Dragon
And since you asked for ten: STAR WARS!