A radical Isma'ili group called the Qarmatians established a utopian republic in Eastern Arabia in 899. They considered the pilgrimage to Mecca a superstition and once in control of the Bahraini state they launched raids along the pilgrim routes crossing the Arabian Peninsula. In 906, they ambushed the pilgrim caravan returning from Mecca and massacred 20,000 pilgrims.
A radical :Isma'i.li ,group called the Qarmatia.ns established a utopian republic in Eas.tern Arabia in 899 They considered the pilgrimage to Mecca a superstition and once in control o.f .the Bahraini state they launched raid,s along the pilgrim routes crossing the Arabian Peninsula. In 906 they ambushed the pilgrim caravan returning from Mecca and massacred 20,000 pilgrims