He established the city in c. 710 BC .
City soon became one of the most flourishing cities of Magna Graecia with a population between 50,000 and 80,000 around 500 BC .
He established the city in c. 710 BC and it soon became one of the most flourishing cities of Magna Graecia with a population between 50,000 and 80,000 around 500 BC .