Prince Salman bin Abdulaziz, the Governor of Riyadh Province, who is also Chairman of Board of Directors of King Abdulaziz Foundation for Research and Archives (Darah) will open here on Sunday the scientific symposium on History of King Khalid bin Abdulaziz, to be organized by Darah, as well as an exhibition entitled "Khalid", to be organized by King Khalid Foundation. Dara's Secretary General Dr. Fahd bin Abdullah Al-Sammari expressed his thanks to and appreciation of Prince Salman for patronizing the opening ceremony of the symposium and following up its activities.