King Salman bin Abdulaziz Chair for Studies on the History of Makkah at Umm Al-Qura University is pleased to invite you to attend the symposium of "The Custodian of the Two Holy Mosques, King Salman bin Abdulaziz: Achievement in the Face of Challenge and the Future", under the patronage of His Excellency the President of Umm Al-Qura University, Prof. Abdullah bin Omar Bafail, in King Abdul Aziz Historical Hall on Wednesday, 6 Rajab, 1440 A.H., at 10:30 a.m.