October 23, 1086

Almoravids defeat Alfonso VI of Castile at Sagrajas

Called in by the taifa kings, Yusuf ibn Tashfin's Almoravid army defeats Alfonso VI near Badajoz on 23 October 1086. The Almoravids do not follow up at once, but in 1091 they end the taifa period and rule al-Andalus.