The Epic of Gilgamish.

The narrative of the life, exploits and travels of Gilgamish, king of Erech, filled Twelve Tablets which formed the Series called from the first three words of the First Tablet, Sha Nagbu Imuru, i.e., "He who hath seen all things." The exact period of the reign of this king is unknown, but there is no doubt that he lived and ruled at Erech before the conquest of Mesopotamia by the Semites. According to a tablet from Niffar he was the fifth of a line of Sumerian rulers at Erech, and he reigned 126 years; his name is said to mean "The Fire-god is a commander." The principal authorities for the Epic are the numerous fragments of the tablets that were found in the ruins of the Library of Nebo and the Royal Library of Ashur-bani-pal at Nineveh, and are now in the British Museum.The contents of the Twelve Tablets may be briefly described thus: