The 31st October 2013 is the 91st Birthday of His Late Majesty the King-Father, on this occasion HM the King Norodom Sihamoni and HM the Queen-Mother Norodom Monineath Sihanouk presided over a Buddhist ceremony of Sangatean-Véraphoat et Dak Batr, in tribute to the Illustrious Memory of His Late Majesty the King-Father Norodom Sihanouk of Cambodia, alongside Samdech Heng Samrin, National Assembly President, Samdech Decho Hun Sen, Prime Minister of Cambodia, Samdech Kittiprittibandit Bun Rany Hun Sen, Cambodian Red Cross President, Samdech Norodom Bupha Dévi, Sénator, Samdech Norodom Chakrapong, High Privy Counsellor of HM the King, Samdech Norodom Arun Reaksmey, High Privy Counsellor of HM the King, Samdech Sisowath Chivan Monirak and his Spouse, Samdech Chaovea Vaing Kong Sam Ol, vice Prime Minister and Minister of the Royal Palace, the Royal Family members and the Royal Palace dignitaries.