The first Greek myth was in the 8th century BC, But the end of Greek mythology is impossible to answer
It was originally started by word of mouth, but was written down in the 800s BC.
The greek myths are as old as the greeks, for they are who made them.
It was not started at any one time. It is a set of beliefs of ancient Greek peoples, with roots in prehistoric times.
The Greeks did not invent mythology. Mythology has existed far beyond the time of the ancient Greeks.
They didnt invent it, it was there when it got defeated by Hercules.
The Greeks found or invented the seven-string lyre.
The Greeks did not invent pizza.
"the system of mythology of the Greeks and Romans together; much of Roman mythology (especially the gods) was borrowed from the Greeks" http://www.thefreedictionary.com/classical+mythology
no
the olympics
! well I'm Greek so i should know that the ancient Greeks DID invent democracy!
yes the greek did invent the flamethrower
300b.c
maybe
No.
No, it was the Egyptians.