"Koniec świata o ósmej" ("End of the World at Eight O'Clock") is an early (1947) science fiction novelette by Polish writer Stanisław Lem.
Irritated by a non-recognition of his fundamental discovery, and mockery, he decides to prove he is right by destroying the Universe.
The collection Dzienniki gwiazdowe (The Star Diaries), Warszawa, Iskry, 1957, includes a revised version under the title "Koniec świata o ósmej (Bajka amerykańska)", although it is not related to Ijon Tichy, the protagonist of the Star Diaries.
Американская сказка" (by Yevgeniy Vaysbrot [ru]) in the anthology "Симпозиум мыслелётчиков"[2] In 1979 it was translated into German as "Weltuntergang um acht" in the collection Die Falle des Gargancjan.
In 1958 a TV play Koniec świata o godzinie ósmej was released by Telewizja Polska, in which Janusz Strachocki [pl] starred as Farragus.