here is this off google hope this helps you
: Pericles brought the city-states of the Delian League, which was established around 478 BC, under the leadership of Athens. Among Pericles' other accomplishments was the commissioning of many of the architectural wonders of Classical Athens, including the Parthenon, which was built between 447 and 432 BC.
Scientific Thinkers didn't accept it immediately because its has no proof or lack of information that needed to be prove by all others scienctific thinkers
