History of Kuwait Empire was defeated and the British invalidated the Anglo-Ottoman Convention. The power vacuum, left by the fall of the Ottomans, sharpened the conflict between Kuwait and Najd (Ikhwan). The war resulted in sporadic border clashes throughout 1919–20. The Battle of Jahra was a battle during the Kuwait-Najd War. The battle took place in Al Jahra, west of Kuwait City on 10 October 1920 between Salim Al-Mubarak Al-Sabah ruler of Kuwait and Ikhwan Wahhabi followers of Ibn Saud of Saudi Arabia, king of Saudi Arabia. A force of 4000 Saudi Ikhwan, led by Faisal Al-Dawish, attacked the Kuwait Red Fort at
Anglo-Ottoman Convention of 1913 intervene in matters of the Gulf, of which the British desired to retain a monopoly. The Ottomans were willing to drop all claims to Bahrain, in which they had never been able to maintain anything but a symbolic role, but not Qatar. As a question of sovereignty, the Ottomans argued that the empire had always exercised effective sovereignty over the peninsula and could not justify the abandonment of territory which it had never formally renounced. Yet under considerable pressure it renounced claims to both (Articles 11 & 13) and a blue line was established to define the territorial limits of