Factual error: When running through the train yard, all the engines are diesel. The movie is set in the 20's or 30's. Diesels were not in use then, only steam engines.
The Cincinnati Kid (1965)
1 factual error - chronological order
Directed by: Norman Jewison
Starring: Steve McQueen, Ann-Margret, Karl Malden, Edward G. Robinson, Tuesday Weld
Genres: Drama
Deliberate mistake: When The Kid visits the farm, the red truck in the background is a Fleetside truck that is definitely not from the 1930s.
Slade: How the hell did you know I didn't have the king or the ace?
Lancey Howard: I recollect a young man putting the same question to Eddie the Dude. "Son," Eddie told him, "all you paid was the looking price. Lessons are extra."