The conversion to Islam of Nikudar Abmad, the third of the Ilkhan rulers of Persia, and the consequent troubles in the western Mongol empire, let to a suspension of hostilities between Egypt and the Ilkhans (see PERSIA: History, B), though the latter did not cease to agitate in Europe for a renewal of the Crusades, with little result.
This was the last time that the Ilkhans gave the Egyptian sultans serious trouble; and in the letter written in the sultans name to the Ilkhan announcing the victory, the former suggested that the caliphate of Bagdad should be restored to the titular Abbasid caliph who had accompanied the Egyptian expedition, a suggestion which does not appear to have led to any actual steps being taken.
The Samanids then fell under the power of the Tatar Ilkhans, but Mahmud returned, triumphed over both the Samanids and the Tatars, and assumed the independent title of sultan with authority over Khorasan, Transoxiana and parts of north-west India.
From 1258 to 1335 the Ilkhans were not seriously challenged.
The Ilkhans, who had failed in their attempt to wrest Syria from the Mameluke rulers of Egypt, had subsequently endeavoured tO effect their object by inducing the European Powers to make a new crusade.