Congratulatory Letters of His Majesty Preah Bat Samdech Preah Boromneath NORODOM SIHAMONI, King of the Kingdom of Cambodia, and His Excellency Dr. Thongloun SISOULITH, President of the Lao People’s Democratic Republic, on the occasion of the 65th Anniversary of the Establishment of Diplomatic Relations between the Kingdom of Cambodia and the Lao People’s Democratic Republic.