In 688/1289 Nawrūz Aqa, a leading Mongol magnate, began a rebellion in Khurasan to resist the Ilkhan Arghun's attempts to centralize power and loosen the Mongol aristocracy's grip on provincial government. The rebellion of Nawrūz was significantly different from any Mongol uprising that had occurred in the Ilkhanate to that date: it was distinguished by the successful fusion of Chinggisid and Islamic traditions of political and spiritual authority to support Nawrūz's challenge against the Hülegüid monarchy. This new hybrid political philosophy allowed Nawrūz to mobilize both the sedentary and nomadic populations of Khurasan to overhaul the power structure of the Ilkhanate. The present study of the early career and rebellion of Amīr Nawrūz will reveal how his movement forced the Turco-Mongolian leadership to reconfigure its political, social and religious relationships, among themselves and with the sedentary Muslim population they ruled.