ian ▁r uler ▁Ter vel , ▁in ▁exchange ▁for ▁financial ▁consider ations . ▁ ▁Arab – By z antine ▁War : ▁A ▁By z antine ▁expedition ary ▁force ▁under ▁Her ac lius ▁( bro ther ▁of ▁T iber ios ▁III ) ▁is ▁defeated ▁and ▁destroyed ▁by ▁an ▁Um ay y ad ▁army ▁( 1 0 , 0 0 0 ▁men ) ▁at ▁S is ium ▁( mod ern ▁Turkey ), ▁killing ▁most ▁and ▁leading ▁the ▁rest ▁off ▁in ▁ch ains ▁to ▁Dam asc us . ▁▁ ▁Britain ▁▁ ▁King ▁ Æ th el red ▁I ▁ab dic ates ▁the ▁throne ▁after ▁a ▁ 3 0 - year ▁reign ▁and ▁becomes ▁an ▁ab bot ▁at ▁B ard ney ▁( Lin coln shire ). ▁He ▁is ▁succeeded ▁by ▁his ▁nep hew ▁C en red ▁( Co en red ), ▁a ▁son ▁of ▁the ▁late ▁king ▁W ulf here , ▁who ▁becomes ▁r uler ▁of ▁Mer cia . ▁▁ ▁December ▁ 1 4 ▁– ▁King ▁Ald fr ith ▁of ▁North umb ria ▁dies ▁after ▁a ▁ 2 0 - year ▁reign . ▁His ▁throne ▁is ▁seized ▁by ▁E ad w ulf ▁I , ▁of ▁unknown ▁descent . ▁Wil fr id ▁travel s ▁to ▁Dr iff ield ▁to ▁support ▁E ad w ulf , ▁but ▁his ▁adv ances ▁are ▁rejected ▁( appro xim ate ▁date ). ▁▁▁▁▁ ▁Arab ian ▁Empire ▁▁ ▁Arab ▁con quest ▁of ▁Armen ia : ▁The ▁Muslim ▁Arab s ▁under ▁Ab dal lah ▁ibn ▁Abd ▁al - Mal ik ▁( a ▁son ▁of ▁cal