The initial years 126145 of alManurs reign presented several significant challenges to nascent Abbasid hegemony and the resulting confrontations constitute the central focus of this section of abaris Tarikh. After Abu Jafar succeeded his brother Abu Alabbas as caliph the second of the Abbasid dynasty he moved against his recalcitrant uncle Abd Allah ibn Ali and against the potential threat that he perceived in the person of the commander in Khurasan Abu Muslim. Eliminating the latter and containing the former freed the caliph to address a series of other onslaughts and insurrections.Starting with the year 144 however abari turned to this volumes principal preoccupation to which half of the book is devoted.