Emperor of China Emperor of China The Emperor or Huangdi () was the secular imperial title of the Chinese sovereign reigning between the founding of the Qin dynasty that unified China in 221 BC and the abdication of Puyi in 1912 AD following the Xinhai Revolution and the establishment of the Republic of China, although it was later restored twice in two failed revolutions in 1916 and 1917. The holy title of the Chinese emperor was the "Son of Heaven" (), a title much older than the "Emperor of China" which predates the Zhou dynasty and recognized as the ruler of ""All under
Emperor Wenzong of Tang Wenzong caused a letter to be drafted for delivery to the Emperor of Japan, which he sent via Japanese ambassadors who had traveled from Heian-kyō as part of a diplomatic mission. On their return home in 839, these ambassadors presented the communication from the Chinese emperor to Emperor Ninmyō. Emperor Wenzong of Tang Emperor Wenzong of Tang (809–840), personal name Li Ang, né Li Han (李涵), was an emperor of the Tang dynasty of China. He reigned from 827 to 840. Emperor Wenzong was the second son of Emperor Muzong and younger brother of Emperor Jingzong. A rare occurrence in