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
Sheikhdom of Kuwait in what is now Qatar, after a quarrel between them and some of the inhabitants of the region they departed and settled near Umm Qasr living as brigands, raiding passing caravans and levying taxes over the shipping of the Shatt al-Arab. Due to these practices, they were driven out of the area by the Ottoman Mutasallim of Basra and later lived in Sabiyya an area bordering the north of Kuwait Bay, until finally requesting permission from the Bani Khalid to settle in Kuwait which was then under the rule of the Emir of al-Hasa who himself was of the Bani