Đinh Hạng Lang
Đinh Hạng Lang (, died 979), buddhist name Đính-noa Tăng-noa (頂帑僧帑), was the crown prince of the Đinh dynasty. Biography. Đinh Hạng Lang was second son of emperor Đinh Tiên Hoàng. His personality was so meek that his father has cherished. In 978, Đinh Hạng Lang was consecrated as the crown prince with oppositions of officials. It also made Đinh Tiên Hoàng's first son Đinh Khuông Liễn to fret. Spring 979, Khuông Liễn has assigned his inferiors to assassinate Hạng Lang. This event made Đinh Tiên Hoàng and his wives at once worried and felt  wretched, however they were impotent entirely. Even so, in the reassurance of parents, prince Khuông Liễn appointed carpenters to carve 100 columns of the Uṣṇīṣa Vijaya Dhāraṇī Sūtra for the saying a mass to his unlucky younger brother. Their vestiges had fallen into oblivion for almost 1,000 years and were only discovered in 1963. Heritage. Professor Hà Văn Tấn discovered antiquaries in Hoa Lư in 1963, including one Buddhist sutra column which prince Đinh Liễn has asked to carve in 973, and in 1964 he discovered a second column, and by 1978 he discovered all sixteen columns. In every column  has been carved the "Uṣṇīṣa Vijaya Dhāraṇī Sūtra", to follow it, prince Đinh Khuông Liễn wanted to say a mass for bhadanta Đính Noa Tăng Noa who he has killed.