Thank you for this wonderful list...Asuming that we're only talking about fiction feature films...
These are in no particular order, except for Fanny and Alexander, which I think is a really special film. It was Bergman's last, unlike anything that he had done before and clearly a labour of love. Watch it over Christmas.
Fanny och Alexander/Fanny and Alexander (Ingmar Bergman)
Soy Cuba/I am Cuba (Mikhail Kalatozov)
Les quatre cents coups/The 400 Blows (François Truffaut)
Dr. Srangelove (Stanley Kubrick)
Mamma Roma (Pier Paolo Pasolini)
La Jetée (Chris Marker) [actually a short film, 28 minutes]
Lawrence of Arabia (David Lean)
La battaglia di Algeri/The Battle of Algiers (Gillo Pontecorvo)
Babettes Gaestebud/Babette's Feast (Gabriel Axel)
Casablanca (Michael Curtiz)
8 1/2 (Frederico Fellini)