The British Mandate for Palestine (valid 29 September 1923 – 15 May 1948), also known as the Mandate for Palestine or the Palestine Mandate, was a “Class A” League of Nations mandate for the territories of Palestine, in which the Balfour Declaration’s “national home for the Jewish people” was to be established, and Transjordan, a separate Arab Emirate, both of which were conceded by the Ottoman Empire following World War I