Assertion: umayyad caliphate | /r/HasProperty | the second
Facets:
Source sentences:
text: Umayyad Caliphate: The second of the four major Arab caliphates established after the death of Muhammad.
text: The Umayyad Caliphate, the second of the four major Arab caliphates established after the death of Muhammad, expanded the territory of the Islamic state to one of the largest empires in history.