The coup was supported Supporting by military units in the Spanish protectorate in Morocco , Pamplona , Burgos , Zaragoza , Valladolid , Cádiz , Córdoba , and Seville .

The Basque attack Attack was a retaliation for Charlemagne 's destruction Destroying of the city walls of their capital , Pamplona .

The Muslim forces were commanded Control by Almanzor , while the Christian troops were a combined Cause_to_amalgamate force and the combined Cause_to_amalgamate from the kingdoms of Leon and Navarre , plus the County of Castile , led by King Ramiro III of Leon , García Fernández of Castile and Sancho II of Pamplona .