 During this period were the Muslims in Arabia subjected to the Meccan boycott of the Hashemites (617), the Year of Sorrow (619), Muhammad's visit to Ta'if (620), the Isra and Mi'raj (621) and finally the Migration to Medina (622).The Muslims in Ethiopia would not return to Arabia and reunited with their fellow Muslims in Medina until in .The emigrants returned to Arabia in three groups.