6, Hoi An Ancient Town was classified as a National Cultural Heritage Site in 1985.
7, One Pillar Pagoda was built under Emperor Ly Thai Tong.
8, The construction of Tu Duc Tomb was completed in 1876.
9, The Cham Towers were built by the Champa Kingdom from 12th century.
10, The Hung King Temple Festival was held annually in Phu Tho.