On June 11, 2006, His Majesty King Norodom Sihamoni is welcomed at Phnom Penh International Airport by Samdech Heng Samrin, President of the National Assembly, Samdech Hun Sen, Prime Minister of the RGC and by the diplomatic corps before leaving for Thailand where He was invited to attend the 60th Anniversary of HM King Bumipol's accession to the Throne.