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
Rise of the Ottoman Empire judge ("Kazasker") was created, indicating an increasing level of social stratification between the emerging military-administrative class ("askeri") and the rest of society. Murad I also instituted the practice of appointing particular frontier warriors as "Lords of the Frontier" ("uc begleri"). Such power of appointment indicated that the Ottoman rulers were no longer merely "primus inter pares" but sat at the top of a hierarchy of leadership. As a way of openly declaring this new status, Murad became the first Ottoman ruler to adopt the title of sultan. Beginning at the latest by the 1430s, but most likely earlier, the Ottomans