Question: Who was  the last emperor or last "Son of Heaven" of China?

Related documents: [0]  [DOC] The Emperor of China () was the sovereign of Imperial China reigning between the founding of the Qin dynasty that unified China in 221 BC, until the abdication of Puyi in 1912 following the Xinhai Revolution and the establishment of the Republic of China. The emperor was also referred to as the "Son of Heaven" (), a title that predates the Qin unification and recognized as the ruler of "all under heaven" (i.e., the whole world). In practice not every Emperor held supreme power in China, although this was usually the case. [END] 
[1]  [DOC] Puyi (; 7 February 190617 October 1967), of the Manchu Aisin Gioro clan, commonly known as Pu Yi, was the last Emperor of China, the second-to-last Khan of Mongolia and the twelfth and final ruler of the Qing dynasty. When a child, he ruled as the Xuantong Emperor () in China and Khevt Yos Khaan in Mongolia from 1908 until his forced abdication on 12 February 1912, after the successful Xinhai Revolution. From 1–12 July 1917, he was briefly restored to the throne as emperor by the warlord Zhang Xun. [END]  
Answer: Puyi
Puyi