The 1966 film, Incubus, was the first American movie exclusively in this language.
Esperanto. The film was a black-and-white horror film starring William Shatner. The director barred dubbing it into other languages. Esperanto was used because the producer thought it would generate more international sales. Esperanto is a language constructed so that it can be used internationally. The Polish-Jewish ophthalmologist L. L. Zamenhof published the first book detailing Esperanto, Unua Libro, in Warsaw in 1887.
HistoryNet.com is brought to you by World History Group, the world's largest publisher of history magazines. HistoryNet.com contains daily features, photo galleries and over 5,000 articles originally published in our various magazines.