[1][2] The Castilian conquest of Toledo marked a significant turning point in the Reconquista and a major shift in power on the Iberian Peninsula.

[4] However, Yahya al-Qadir's actions, including the expulsion of Alfonso's supporters, deepened divisions among his subjects and destabilized his rule.

[6] After approximately two months of siege, Yahya al-Qadir—unable to secure assistance from neighboring taifas, pay off Alfonso, or defend the city effectively—surrendered.

By August, his forces had also conquered the surrounding territories of the Tagus Basin, including Madrid, incorporating them into the Kingdom of Castile.

[6] The fall of Toledo prompted the rulers of the taifas of Seville, Badajoz, and Granada to send a joint delegation to Yusuf ibn Tashfin of the Almoravid dynasty to request assistance against Castile.