Person
Abu Yusuf Ya'qub al-Mansur
3rd Almohad Caliph
Abu Yusuf Ya'qub al-Mansur (c. 1160 Morocco – January 23, 1199 Marrakech, Morocco), also known as Moulay Yacoub, is the third Almohad Caliph.
Succeeding his father, al-Mansur reigns from 1184 to 1199.
His reign is distinguished by the flourishing of trade, architecture, philosophy and the sciences, as well as by victorious military campaigns in which he is able to temporarily stem the tide of Christian Reconquista in the Iberian Peninsula.