Factual error: The Forum shown in that film is smaller than in real life. Also, Cleopatra is shown passing through the Arc of Contantine, a monument that was built centuries after her death.
Factual error: The trial is of an Englishman (Sir Charles) in an Italian court after an lengthy investigation by the French police (Clouseau et al). Why are all cash amounts being given in dollars? No-one there uses them at all! (01:50:00)
Factual error: When the fleet of Glamcab Ford Cortinas drive out of their yard on the first day of business, some of the Cortinas are two door models, which wouldn't be legal for use as a taxi.
Factual error: In the scene where James Bond is being given his "gadgets", Q points out that his rifle is an "AR-7 in .25 caliber". The AR-7 is a real rifle, but is only available in .22 Long Rifle caliber. Due to numerous design features, especially the screw-off barrel, it can't be made to fire a .25 caliber cartridge of any type. (00:22:05)
Factual error: The sign outside the embassy reads "American Embassy", it should read "Embassy of the United States of America". North & South America are continents, not a country.
Factual error: It's 1895, and the US Army is depicted using the venerable .45-70 trapdoor carbines. However two years earlier they upgraded to the Springfield Model 1893.
Factual error: Anthropology Professor Robert Orwell Sutwell explains that his black kimono was a gift from "the Tokyo Fire Department." The seven characters embroidered on the kimono are Chinese, not Japanese.
Factual error: The firefighters arrive at the gas station and proceed to spray water on the fire. You cannot put out a gasoline fire with water; it requires firefighting foam. Water would only spread the fire even more.