Umar Dimayev (1908-1972) was a Chechen folk musician and accordionist who gained recognition throughout the Chechen-Ingush ASSR.
― Anonymous User 12/31/2017
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Umar II was an Umayyad caliph who ruled from 717 to 720. He was also a cousin of the former caliph, being the son of Abd al-Malik's younger brother, Abd al-Aziz. He was also a matrilineal great-grandson of the second caliph Umar ibn Al-Khattab.