Chaim Weizmann that the issuance of the Balfour Declaration was the greatest single achievement of the pre-1948 Zionists. He believed that the Balfour Declaration and the legislation that followed it, such as the (3 June 1922) Churchill White Paper and the League of Nations Mandate for Palestine all represented an astonishing accomplishment for the Zionist movement. On 3 January 1919, Weizmann met Hashemite Prince Faisal to sign the Faisal-Weizmann Agreement attempting to establish the legitimate existence of the state of Israel. At the end of the month, the Paris Peace Conference decided that the Arab provinces of the Ottoman Empire should be
Faisal–Weizmann Agreement explicitly authorised by his father to enter into such an agreement, with his instructions from his father limited to the requirement that he accept only fulfilment of the previous British promises for Arab independence; the caveat was added as a result. The next day, Weizmann arrived in Paris to head the Zionist delegation to the Peace Conference. Agreement Between Emir Feisal and Dr. Weizmann 3 January 1919 His Royal Highness the Emir Feisal, representing and acting on behalf of the Arab Kingdom of Hedjaz, and Dr. Chaim Weizmann, representing and acting on behalf of the Zionist Organization, mindful of the