Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Harar Jugol, the Fortified Historic Town' has mentioned 'Middle Ages' in the following places:
Occurrence Sentence Text Source
Harar emerged as the center of Islamic culture and religion in the Horn of Africa during end of the Middle Ages.
[20] During the Middle Ages, Harar was part of the Adal Sultanate, becoming its capital in 1520 under Sultan Abu Bakr ibn Muhammad.
Harar was very dependent on Berbera for trade since the Middle Ages.