The Secretariat-General of Muslim World League will hold the 40th session of its founding council and the 21st session of the Supreme World Council of Mosques on 22-23/8/1431H. The MWL Secretary General Dr. Abdullah bin Abdulmohsen Al-Turki said that the Secretariat invited members of the two councils to participate in the sessions after the conclusion of World Islamic Conference due to be held by the League under the patronage of the Custodian of the Two Holy Mosques, King Abdullah Ibn Abdulaziz Al Saud on 19-21/8/1431.