ul ▁M utt al ib ▁to ▁the ▁religious ▁post . ▁ ▁Abb as ▁ibn ▁Muhammad ▁became ▁Da ' i ▁al - M ut la q ▁in ▁▁ 7 4 6 A H ▁ ▁/ 1 3 5 4 AD . ▁His ▁period ▁of ▁Daw at ▁was ▁from ▁ 7 4 6 – 7 7 9 ▁A H / ▁ 1 3 5 4 – 1 3 7 7 ▁AD ▁for ▁about ▁ 2 3 ▁years . ▁ ▁His ▁associ ates ▁were : ▁Maz oon : ▁ ▁Sy ed na ▁Abd ul lah ▁F ak hr ud din ▁ ▁References ▁ ▁External ▁links ▁ ▁List ▁of ▁Sy ed nas ▁( acc ording ▁to ▁Da wood i ▁Bo hr as ) ▁The ▁Is mail i , ▁their ▁history ▁and ▁doctrine ▁by ▁Far had ▁D aft ary ( Ch apter ▁- M ust al ian ▁Is mail ism - p .   3 0 0 - 3 1 0 ) ▁The ▁U y un ▁al - akh bar ▁is ▁the ▁most ▁complete ▁text ▁written ▁by ▁an ▁Is mail i / T ay y ib i / Da wood i ▁ 1 9 th ▁D ai ▁Say yed na ▁Id ris ▁bin ▁Has an ▁on ▁the ▁history ▁of ▁the ▁Is mail i ▁community ▁from ▁its ▁orig ins ▁up ▁to ▁the ▁ 1 2 th ▁century ▁CE ▁period ▁of ▁the ▁F at im id ▁cal i ph s ▁al - M ust ans ir ▁( d . ▁ 4 8 7 / 1 0 9 4 ), ▁the