Prince Salman Ibn Abdulaziz, Governor of Riyadh Province, who is also the Chairman of the Board of Directors of King Abdulaziz Foundation for Research and Archives (Darah), patronized here today the signing of a memorandum of scientific cooperation between the Foundation and General Presidency for Commissions for the Promotion of Virtue and Prevention of Vice (CPVPV) to document the history of Hisbah (Promotion of Virtue and Prevention of Vice) in the Kingdom of Saudi Arabia since the first Saudi State. The memorandum was signed by CPVPV President General Sheikh Abdulaziz bin Hummain Al-Hummain and the Foundation's Secretary General Dr. Fahd bin Abdullah Al-Sammari. Following the signing ceremony, they expressed their thanks to Prince Salman for his patronization of the signing ceremony of the memorandum and his keenness on serving the history of the Kingdom of Saudi Arabia in particular and the Islamic history in general. The ceremony was attended by Prince Mohammed Ibn Salman Ibn Abdulaziz, Special Advisor to the Governor of Riyadh Province.