Factual error: In reality, Commodus did not die in the arena - he was strangled in his apartments in 192 A.D. by an athlete who was hired by a group of Senators conspiring against him.
The Fall of the Roman Empire (1964)
1 mistake - chronological order
Directed by: Anthony Mann
Starring: James Mason, Alec Guinness, Sophia Loren, Stephen Boyd
Livius: A few days longer, Caesar, we'll bring you his head.
Marcus Aurelius: No Livius, please don't bring me his head. I wouldn't know what to do with it.
Trivia: Alec Guinness plays Marcus Aurelius, the father of Commodus (Christopher Plummer). In real life, Guinness was only 15 years older than Plummer.