His Majesty Sultan Haji Hassanal Bolkiah Mu’izzaddin Waddaulah ibni Al-Marhum Sultan Haji Omar ‘Ali Saifuddien Sa’adul Khairi Waddien, Sultan and Yang Di-Pertuan of Brunei Darussalam sent congratulatory messages to Vietnamese Communist Party General Secretary and President of Vietnam Pham Minh Chinh, the Vietnamese prime minister, the government and the people of Vietnam on the occasion of the 79th anniversary of Vietnam’s National Day.