What you call a "strange notion" is found in the earliest UN documents on the partition of Palestine into Jewish and Arab states. "Palestinian nationalism, as distinct from Arab nationalism, is itself a relatively new phenomenon, which appeared only after the division of the 'Arab Rectangle' by the settlement of the First World War." Report of the United Nations Special Committee on Palestine, 3 September 1947, GAOR, II, Supp. 11 (A/364) Vol. I.
What you call a "strange notion" is found in the earliest UN documents on the partition of Palestine into Jewish and Arab states. "Palestinian nationalism, as distinct from Arab nationalism, is itself a relatively new phenomenon, which appeared only after the division of the 'Arab Rectangle' by the settlement of the First World War." Report of the United Nations Special Committee on Palestine, 3 September 1947, GAOR, II, Supp. 11 (A/364) Vol. I.