Last month marked the 100 year anniversary of the 1920 San Remo Conference at which the League of Nations adopted the Balfour Declaration as a legally-binding promise to the Jewish people.

The resolution resulting from the conference divided the Ottoman Empire into mandates, designating one, which was referred to as “Palestine,” for a “national home for the Jewish people.” Initially, this “Palestine” included today’s Israel and Jordan. The British, however, handed what was then called Transjordan over to the Hashemite Prince Feisal in an attempt to pacify the Arabs.

In 1922, the League of Nations ratified the San Remo Resolution, this time by all 51 member countries, unanimously recognizing “the historical connection of the Jewish people with Palestine and to the grounds for reconstituting their national home in that country.”

And as if to remove any doubt that a Jewish state in the region called “Palestine” wasn’t just a Western idea, the 1919 Weizmann-Feisal Agreement shows that Arabs, too, recognized that the land in question was indeed connected historically to the Jews. The agreement between the Hashemite Emir and Zionist leader Chaim Weizmann...