Oct 5, 2024 · In the Battle of Sagrajas, in 1086, the Spanish army was forced to retreat during Almoravid resistance against the Reconquista. One possible precursor to the First Crusade was the 1087 sacking of Mahdia by an alliance of Genoese, Pisans, and Normans from Sicily. An indulgence was granted to the soldiers by Pope Victor III.