On November 23, 2007, His Majesty King Norodom Sihamoni presided over the opening ceremony of the Water Festival at the Royal Pier attended by Samdech Akka Mohathammpothisal Chea Sim, Chairman of the Senate, Samdech Akka Mohachakrey Heng Samrin, Chairman of the National Assembly, Samdech Akka Mohapadey Decho Hun Sen, Prime Minister of the Royal Government, by members of the Senate, of the National Assembly, of the Government and of the diplomatic corps.