The Shortest Story in the World?

American writer Fredric Brown

This very short story by Fredric Brown, "The last man on Earth", has been considered for a long time the shortest story in the world (in English language). Fredric Brown (1906-1972) was an american sci-fi writer, very known for his very short stories full of humour and with surprising endings. 
(But... ¿was this short story a plagiarism? Read both stories and decide).  

LLAMADA

Fredric Brown

El último hombre vivo en la Tierra estaba sentado en su casa. Llamaron a la puerta.

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