Assertion: caliphate | /r/AtLocation | same person
Facets:
value: after imam ali
type: TEMPORAL
Source sentences:
text: One Imam after another continued in the generation of Imam Husain but they were opposed by the Caliphs of the day as their rivals till Imam Abdullah al-Mahdi Billah came in power as first Caliph of Fatimid in North Africa when Caliphate and Imamate came to same person again after Imam Ali.