Balfour Declaration
Citing the 1917 Balfour Declaration, the Zionists suggested it meant the British had already recognized the historic title of the Jews to Palestine. The preamble of the British Mandate of 1922 in which the Balfour Declaration was incorporated, stated, "Whereas recognition has thereby been given to the historical "connection" of the Jewish people with Palestine and to the grounds for reconstituting their national home in that country..."