Assertion: caliph's power | /r/CapableOf | wan as non-arabs
Facets:
value: by 940
type: TEMPORAL
Source sentences:
text: But by 940 the power of the caliphate under the Abbasids was waning as non-Arabs, particularly the Turkish (and later the Mamluks in Egypt in the latter half of the 13th century), gained influence, and sultans and Emirs became increasingly independent.