From olden days, people asked themselves: "How it all began? What happened in the beginning?" The oldest Greek attempt to explain the formation of the world, the origin and genealogy of gods, was the poem Theogony written by Greek poet Hesiod in the eighth century BC. Later, from the sixth century BC until the beginning of the Christian era, there appeared other theogonies, mostly based on the Orphic doctrines. These theogonies departed widely from the traditions of Hesiod, and they were never popular. The Hesiod's Theogony remained the most spread version of the mythology classification and had a kind of official recognition in Greece.
In the Hesiod's version of the creation of the world,
in the beginning there was Chaos ...