car ▁and ▁advanced ▁towards ▁El ▁Pu ig . ▁According ▁to ▁the ▁chron icles ▁of ▁James ▁I , ▁his ▁force ▁number ed ▁around ▁ 6 0 0 ▁caval ry ▁units ▁and ▁ 1 1 , 0 0 0 ▁pe as ants ▁or ▁foot ▁soldiers . ▁He ▁attacked ▁the ▁Arag on ese ▁forces ▁on ▁ 1 5 ▁August ▁ 1 2 3 7 . ▁According ▁to ▁the ▁Muslim ▁historian ▁Ah med ▁Moh ammed ▁al - Ma qq ari , ▁the ▁attack ▁occurred ▁shortly ▁after ▁James ▁I ▁had ▁left ▁El ▁Pu ig ▁for ▁H ues ca . ▁ ▁I bn ▁al - A bb ar , ▁who ▁had ▁been ▁Ab ū ▁Z ay d ' s ▁secretary ▁when ▁he ▁pres ided ▁over ▁Val encia , ▁became ▁Z ay yan ' s ▁scri be ▁after ▁A by ▁Z ay d ▁left ▁the ▁city . ▁He ▁recorded ▁the ▁battle ▁as ▁having ▁happened ▁around ▁no on . ▁The ▁Muslim ▁Al m oh ad ▁forces ▁under ▁Z ay yan ▁were ▁rout ed , ▁and ▁a ▁great ▁many ▁of ▁their ▁soldiers ▁were ▁s lain ▁in ▁the ▁action . ▁Among st ▁the ▁Al m oh ad ▁dead ▁was ▁the ▁pre acher ▁Ab ur reb ii ▁ibn ▁Sal im ▁El cola í ▁" the ▁wise ". ▁When ▁news ▁reached ▁James ▁I ▁of ▁Arag on ▁of ▁the ▁victory , ▁he ▁tra ve led ▁to ▁the ▁site ▁of ▁the ▁battle , ▁where ▁he ▁remained ▁a ▁few ▁days , ▁after ▁which ▁time ▁he ▁returned ▁to ▁Arag on . ▁ ▁This ▁decis ive ▁Arag on ese ▁victory