A lecture titled “Dadan The Capital of the kingdom of Deidan & Luhian” presented by Dr. Sulaiman Bin Abdulrahman Althieeb.
Professor of History at King Saud University in the Kingdom of Saudi Arabia and an active member of many scientific societies and committees including the Scientific Council and the Historical Society of Saudi Arabia and the Graduate Studies Committee in the Department of History at King Saud University. He has published many books in his field of specialization.