Analysis of information sources in references of the Wikipedia article "Kara Koyunlu" in Spanish language version.
The disintegration of Timur's empire into a growing number of Timurid principalities ruled by his sons and grandsons allowed the remarkable rebound of the Ottomans and their westward conquest of Byzantium as well as the rise of rival Turko-Mongolian nomadic empires of the Aq Qoyunlu and Qara Qoyunlu in western Iran, Iraq, and eastern Anatolia. In all of these nomadic empires, however, Persian remained the official court language and the Persianate ideal of kingship prevailed.
El argumento de que había un contraste tajante entre el sunnismo de Āq Qoyunlū y el chiismo de Qara Qoyunlū y la Ṣafawīya se basa principalmente en fuentes tardías safávidas y debe considerarse dudosa.The argument that there was a clear-cut contrast between the Sunnism of the Āq Qoyunlū and the Shiʿism of the Qara Qoyunlū and the Ṣafawīya rests mainly on later Safavid sources and must be considered doubtful.