Factual error: When Chitty Chitty Bang Bang arrives at the Potts' house, Grandpa Potts is sitting in a deckchair reading a very modern colour edition of National Geographic magazine.
Factual error: In the famous tugboat scene, Fannie rides out on a New York Central tugboat painted jade green - a color which wasn't instituted on the boats until the early 1960s. To be accurate, the tugboat would have to have been painted red with a black stack and the New York Central logo.
Factual error: First time I ever saw a 600 mile NASCAR race where nobody had to make a tire change.