The Huế Museum of Royal Antiquities is featuring more than 40 artefacts dating to the time of Emperor Minh Mạng (reigning 1820-1839). VNA/VNS Photo HCM CITY – The Huế Museum of Royal Antiquities is featuring more than 40 artefacts dating to the time of Emperor Minh Mạng (reigning 1820-1839) at Ngũ Phụng Pavilion to mark the 200th anniversary of his reign, in Huế former Imperial Citadel, a UNESCO heritage site. At the exhibition, visitors can view the seal of Quốc Sư Quán, an agency that researched and compiled Nguyễn dynasty history books, established at the start of Minh Mạng’s reign. In 125 years (1820-1945), this agency compiled many valuable documents.