Balfour Declaration of 1917 references on wikipedia
Balfour_Declaration_of_1917 The Balfour Declaration of 1917 (dated 2 November 1917) was a formal statement of policy by the British government stating that "His Majesty's government view with favour the establishment in Palestine of a national home for the Jewish people, and will use their best endeavors to facilitate the achievement of this object, it being clearly understood that nothing shall be done which may prejudice the civil and religious rights of existing non-Jewish communities in Palestine, or the rights and political status enjoyed by Jews in any other country."