Idris, GBE , also known as "King Idris I of Libya" (born El Sayyid Prince Muhammad Idris bin Muhammad al-Mahdi as-Senussi; 12 March 1889 – 25 May 1983), was the first and only King of Libya, reigning from 1951 to 1969, and the chief of the Senussi Muslim order. While in Turkey for medical treatment, Idris was deposed in a 1969 coup d'etat by army officers led by Muammar Gaddafi.