During the Hellenistic period, this convention was revised, and the boundary between Europe and Asia was now considered to be the Tanais (the modern Don River).
dˈʊɹɹɪŋ ðə hˌɛlənˈɪstɪk pˈiəɹɪəd, ðɪs kənvˈɛnʃən wʌz ɹᵻvˈaɪzd, ænd ðə bˈaʊndɚɹi bᵻtwˌiːn jˈʊɹɹəp ænd ˈeɪʒə wʌz nˈaʊ kənsˈɪdɚd təbi ðə tˈænaɪz ðə mˈɑːdɚn dˈɑːn ɹˈɪvɚ.