Pirates of the Caribbean (The Curse of the Black Pearl): Redcoats – No Such Thing Then
This is certainly more than a wardrobe error. The Red Coats should not have existed in The Curse of the Black Pearl at all! The uniforms Royal Marines wore at the time were a different set. The unit was established in 1747, a few decades after the setting of the movie.
Seabiscuit: Strapped Helmets Didn’t Exist Yet
In the film, Toby Maguire plays a jockey who sports a strapped helmet that only started becoming popular in 1956. Although the headwear was unforgettable, it is necessary to point out that the film’s setting is the Great Depression.