The Director General of Islamic, Educational, Scientific and Cultural Organization (ISESCO) Dr. Abdulaziz bin Othman Al-Tuwaijri described the inaugural ceremony of the organization's permanent headquarters in Rabat on Wednesday evening as a historical day. In a statement to the Saudi Press Agency (SPA) on the occasion of the Organization's 24th anniversary, he pointed out that the organization has turned over as a lighting house, an effective mechanism of the Arab and Muslim nations and a forum for dialogue and understanding among various cultures and peoples.