Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Historic Town of Zabid' has mentioned 'Caliph' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| Its development is due to Ibn Ziyad (the founder of the Zyadite dynasty), who was sent to the region by the Caliph al-Mamun in 820 AD to quell a rebellion. | UNESCO |