Other mistake: It's settled that Lawrence takes 50 of Prince Faisal's men with him to fight the Turks in Akaba (as long as they get there through the burning desert). But to my calculations there's only 32 men riding with him, plus those young servant wannabe's who (without permission) follow the party.
Lawrence of Arabia (1962)
1 other mistake - chronological order
Directed by: David Lean
Starring: Peter O'Toole, Anthony Quinn, Alec Guinness, Claude Rains, Jack Hawkins
Factual error: In the foreground of the Aqaba raid scene, Turks are using a Browning M1919 machine gun, which wasn't yet designed and certainly would not be available to the Turkish Army.
T.E. Lawrence: I'm to "assess the situation."
Colonel Brighton: Hmph! Well that won't be too difficult. The situation's bloody awful.