Felix Leopold Oswald,
Popular Science Monthly
(1878)
“ Four different localities—Olympia, Corinth, Nemea, and the Dionysian race-course near Athens—were consecrated to the "Panhellenic games," at which the athletes of all the Grecian tribes of Europe and Asia met for a trial of strength at intervals varying from six months to four years, the latter being the period of the great Olympic games which formed the basis of ancient chronology. ”
