Lawrence of Arabia, The Grand Illusion, and Dr. Strangelove are just some of the classics that have proven to be timeless masterpieces of war cinema.

There's a why reason movies like 'Casablanca' and 'Stray Dog' still hold up today, as they pioneered the very language of film.

Some of the best movies of the 1940s, like The Best Years of Our Lives and Casablanca, also happened to be the ones that most defined the decade.