In Croatia, the film was called The Funny Fide of History.
In Sweden, the film was called "Det våras för världshistorien del 1", "Springtime for the History of the World Part I"
Copiously Credited Creator: Mel Brooks is credited as writer, producer, director, star and songwriter (for "The Inquisition" and "Jews In Space").
Deleted Scene: In an interview with Gene Siskel, Mel Brooks revealed that he'd filmed a brief scene that made light of the notorious Three Mile Island incident. "I had a father and a mother made up to look like half a dog and half a cat as a result of a nuclear meltdown," Brooks told Siskel. When test audiences reacted poorly, this bit was removed. However, at least one journalist managed to see an extended cut which contained the footage.
Irony as She Is Cast: The vestal virgins in Caeser's Palace in "The Roman Empire" segment were all Playboy playmates. The film's closing credits declare that the "Vestal Virgins were portrayed by Playboy playmates and models". Hugh Hefner appears as the pipe-smoking entrepreneur talking about his invention, the "centerfold".
Referenced by...: The card game Guillotine, set during the French Revolution, features one character called the Piss Boy, almost certainly in reference to this movie.