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June 9 – Battle of Toulouse: after besieging Toulouse for three months, Al-Samh ibn Malik al-Khawlani, the Wāli (governor) of Al-Andalus (Muslim Spain), is defeated (and dies of his injuries) by Odo the Great, Duke of Aquitaine, preventing the spread of Umayyad control westward from Narbonne into Aquitaine.
The Charte d'Alaon is a spurious and fraudulent charter purporting to provide a genealogy of the house of Odo the Great, Duke of Aquitaine (715 – 735).
On August 1130, the Duke of Aquitaine William X of Poitiers, sieged the château.
In 718, Chilperic, in response, allied with Odo the Great, the duke of Aquitaine who had made himself independent during the contests in 715, but he was again defeated by Charles, at Soissons.
Moreover, the territory of La Marche, which was under the control of the lord of Charroux, vassal of Ebles, was transformed into an independent county.
Isambert, like all the Lords of Châtelaillon was a vassal of the Duke of Aquitaine and Count of Poitou.
The invasion of the Saracens, the wars of the dukes of Aquitaine with the early Carolingians, and lastly the Norman invasion were a series of disasters that almost destroyed the monastery.
William I (22 March 875 – 6 July 918), called the Pious, was the Count of Auvergne from 886 and Duke of Aquitaine from 893, succeeding the Poitevin ruler Ebalus Manser.