In 1922, in an attempt to assuage Arab anger resulting from the Balfour Declaration, which "view[ed] with favour the establishment in Palestine [region included Jordan] of a national home for the Jewish people", with the approval of the League of Nations, the British created the semi-autonomous Arab Emirate of Transjordan in all Palestinian territory east of the Jordan river. The British installed the Hashemite Prince Abdullah I of Jordan, while continuing the administration of Palestine and Transjordan under a single British High Commissioner. The mandate over Transjordan ended on 22 May 1946;...