Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Old City of Acre' has mentioned 'Abbasid' in the following places:
Occurrence Sentence Text Source
[24] The Arab conquest brought a revival to the town of Acre, and it served as the main port of Palestine through the Umayyad and Abbasid Caliphates that followed, and through Crusader rule into the 13th century.
[24] Nonetheless, Acre remained militarily significant through the early Abbasid period, with Caliph al-Mutawakkil issuing an order to make Acre into a major naval base in 861, equipping the city with battleships and combat troops.