for the same reason that the myth about the one "God" was created
They told the myth to the new generation of people and made them believe that it was all true.
Because the Greeks got bored.
Most likely the Athenians, as Theseus was their hero/king.
Cronus and Philyra are in Greek myth the parents of Chiron.
The duration of The Power of Myth is 6 hours.
The Power of Myth has 231 pages.
Southern Myth was created in 2001.
The Myth of Sisyphus was created in 1942.
The Myth of the Plan was created in 1985.
Myth - novel - was created in 2006.
The Beauty Myth was created in 1991.
The Bolshevik Myth was created in 1925.
Eye Myth was created in 1967.
The Myth of Leadership was created in 2004.
The Cry for Myth was created in 1991.
The Frankenfood Myth was created in 2004.