Crossword clue: what is the world's oldest known piece of fiction
2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
a long narrative poem telling of a hero's deeds
gilgamesh
9 letters
otdb
a legendary Sumerian king who was the hero of an epic collection of mythic stories