Factual error: This movie tries as best it can to convince the viewer the action is happening in the states even though it was shot in Italy. (1) during a news report, the term 'his excellency the governor' is used which is used nowhere in the states. The rest of the newscast is equally odd. (2) the architecture is definitely 1950s Italy. (3) there is almost a complete lack of American automobiles; most of them are Fiats. (4) you can see Lebanese cedar trees everywhere trimmed in the Mediterranean style (tall and skinny). There are many more too numerous to go into.
The Last Man on Earth (1964)
1 factual error
Directed by: Sidney Salkow, Ubaldo Ragona
Starring: Vincent Price, Emma Danieli, Franca Bettoia, Giacomo Rossi Stuart
Continuity mistake: When Doctor Morgan loads the two bodies into his wagon, they are inserted head first. When he unloads them at the pit, their heads are towards the tailgate.
Ruth Collins: But you lived through all this. Do you know why?
Robert Morgan: Perhaps I was chosen.