Prince Sattam bin Abdulaziz, Acting Governor of Riyadh region, chaired here today a special meeting on the Program of Riyadh celebrations on the 81st anniversary of the National Day of the Kingdom of Saudi Arabia which falls on Friday. During the meeting, the Prince was briefed on the preparations for the celebrations. The Prince stressed the keenness of the Saudi leadership on effective participation in the celebrations of the National Day, recalling of the epic unification of the Kingdom by Late Founder King Abdul Aziz Al Saud (May Allah bless his soul) and introducing of the achievements until the era of the Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud.