The 1921 Cairo Conference, described in the official minutes as Middle East Conference held in Cairo and Jerusalem, March 12 to 30, 1921, was a series of meetings by British officials for examining and discussing Middle Eastern problems, and to frame a common policy. The secret conference of British experts created the blueprint for British control in both Iraq and Transjordan. By offering nominal leadership of those two regions to the sons of the Sharif of the Mecca, Churchill felt that the spirit if not the actual letter of Britain's wartime promises to the Arabs were fulfilled.[2]
Particular concerns of the conference were to resolve the conflicting policies defined in the McMahon letters (1915), the Sykes-Picot agreement (1916) and the Balfour Declaration (1917). Winston Churchill, the newly appointed Colonial Secretary, called all the British Military Leaders and civil administrators in the Middle East to a conference at the Semiramis hotel in Cairo to discuss these issues. It was an experimental conference organized by the Colonial Office, with the purpose to solve problems more efficiently, with improved communications, without protracted correspondence.
The conference's most significant outcome was the decision to implement the Sharifian Solution: Abdullah bin Hussein was to administer the territory east of the Jordan River, Transjordan, and his brother Faisal was to become king of a newly created Kingdom of Iraq; both were to continue to receive direction and financial support from Great Britain. It was also agreed that Lebanon and Syria should remain under French control, Britain should maintain the mandate over Palestine west of the Jordan River and continue to support the establishment of a Jewish Homeland there, Husain, the Sharif of Mecca, was to be recognized as King of the Hejaz and Abdul Aziz ibn Saud left in control of the Nejd in the heart of the Arabian Desert.