Some that I would add:
WWI, Roaring Twenties
Battleship Potemkin
The Gold Rush
The General
The Witches
Metropolis
M
The Big Trail
Great Depression, Crisis Era
All Quiet on the Western Front
The 39 Steps
Sleeping Beauty
The Adventures of Robin Hood
Citizen Kane
Rebecca
Mrs. Miniver
How Green Was My Valley
Richard III (with Lawrence Olivier)
American High
Singin' in the Rain
Anatomy of a Murder
Vertigo
Seven Samurai
A Touch of Evil
The Seventh Seal
101 Dalmatians
Cinderella
Some Like It Hot
Boom Awakening
Lawrence of Arabia
2001: A Space Odyssey
A Clockwork Orange
Fiddler on the Roof
Patton
The Graduate
La Dolce Vita
Unraveling
Star Trek IV
Goodfellas
Fargo
Unforgiven
Toy Story I
Jurassic Park
current Crisis
Star Wars III
Lincoln
The Artist
Phantom of the Opera
WWI, Roaring Twenties
Battleship Potemkin
The Gold Rush
The General
The Witches
Metropolis
M
The Big Trail
Great Depression, Crisis Era
All Quiet on the Western Front
The 39 Steps
Sleeping Beauty
The Adventures of Robin Hood
Citizen Kane
Rebecca
Mrs. Miniver
How Green Was My Valley
Richard III (with Lawrence Olivier)
American High
Singin' in the Rain
Anatomy of a Murder
Vertigo
Seven Samurai
A Touch of Evil
The Seventh Seal
101 Dalmatians
Cinderella
Some Like It Hot
Boom Awakening
Lawrence of Arabia
2001: A Space Odyssey
A Clockwork Orange
Fiddler on the Roof
Patton
The Graduate
La Dolce Vita
Unraveling
Star Trek IV
Goodfellas
Fargo
Unforgiven
Toy Story I
Jurassic Park
current Crisis
Star Wars III
Lincoln
The Artist
Phantom of the Opera
The ideal subject of totalitarian rule is not the convinced Nazi or the dedicated Communist but instead the people for whom the distinction between fact and fiction, true and false, no longer exists -- Hannah Arendt.