When the Assyrian rulers withdrew from Cilicia between 650 and 630 B.C.,

Homer and his fellow scribes became unemployed. They cultivated the art of poetry and gave lessons, preferably in astronomy, in order to turn hungry landlubbers into navigation-safe sailors.
The excellent astronomical star charts of the Assyrians, with whose help Thales of Miletus could later predict the solar eclipse of 28 May 585 B.C., helped them to learn astronomy.