Sheikhdom of Kuwait border clashes throughout 1919-1920. Several hundreds of Kuwaitis died. The border of the Nejd and Kuwait was finally established by the Uqair Protocol of 1922. Kuwait was not permitted any role in the Uqair agreement, the British and Al Saud decided modern-day Kuwait's borders. Kuwait lost more than 2/3rds of its territory due to Uqair. After the Uqair agreement, relations between Kuwait and Najd remained hostile. The Battle of Jahra was a battle during the Kuwait-Najd Border War. The battle took place in Al Jahra, west of Kuwait City on October 10, 1920 between Salim Al-Mubarak Al-Sabah ruler of Kuwait
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