RIYADH — Custodian of the Two Holy Mosques King Salman will open the special exhibition displaying the history and achievements of King Fahd. The exhibition will be held during March 31-April 14 at the Riyadh International Exhibitions Center. King Fahd's sons and grandchildren are organizing the event: “Al-Fahd… Leadership Spirit”. More than 29 historians and researchers will deliver about 40 research works on the history and personal characteristics of the late king.