Many of the Abyssinian exiles returned to Mecca in 622 .
Many of the Abyssinian exiles made the hijra to Medina with Muhammad , while a second wave in came to Medina in 628 , about 6 years later .
Many of the Abyssinian exiles returned to Mecca in 622 and made the hijra to Medina with Muhammad , while a second wave in came to Medina in 628 , about 6 years later .