In the 4th year of Yongyuan (1992), after Cai Lun became an official, he often visited rural workshops by taking advantage of his position. When he saw that there was a layer of short hair silk on the bamboo pole after the silkworm reeling, he was inspired to collect raw materials such as bark, waste hemp, rags and old fishing nets.
Try to make paper with plant fiber, and finally make plant fiber paper. In the first year of Yuanxing, he wrote the paper-making process and method as a memorial, and reported it to Han and Emperor together with the plant fiber paper, which was greatly praised by him, and Cai Lun's paper-making technology soon spread. People call this kind of paper "Cai Hou Paper", and all over the country "do whatever it takes".
Cai Lun's invention became one of four great inventions of ancient china and made great contributions to human civilization. Among the 100 celebrities who influenced the course of human history, American Mack hart ranked Cai Lun seventh. The opening ceremony of the 2008 Beijing Olympic Games showed the papermaking invented by Cai Lun.
2. Zheng He
From 1405 to 1433, set out from Liujiagang, cross the Straits of Malacca and cross the Indian Ocean. 1405, 1 1 July (the third year of Yongle in the Ming Dynasty), Ming Taizu's ancestor ordered Zheng He to lead more than 240 ships, 27,400 soldiers and
From Liujiagang, Suzhou, to 1433 (8 years of Xuande in Ming Dynasty), there were 7 voyages. The last time, in April of eight years, Xuande returned to Guri and died of overwork on the ship. The folk story "Popular Romance of Sambo Eunuch's Journey to the West" calls his travel adventure Sambo Eunuch's Journey to the West.
Zheng He has been to more than 30 countries, including Java, Sumatra, Sulu, Pahang, Zhenla, Guri, Siam, Adan, Tian Fang (Arab countries), Zoufal, Khrushchev, Mugu, as far away as the east coast of Africa, the Red Sea, Mecca (the holy land of Islam) and possibly Australia.
3. Zhao Gao
Zhao Gao (? -207 years ago), ancestral home of Zhao, is a distant branch of the Zhao royal family. Later, Zhao's father committed a crime and was sentenced to prison. Zhao Gao's brothers were also sentenced to prison and became slaves in the Qin Gong. Influenced by official corruption, he fantasized that one day he would get ahead and become a powerful eunuch.
In order to realize this ambition, he used the skills of observing words and feelings, improvising and obeying orders to cheat his master's trust. Qin Shihuang attached great importance to the legal system, and Zhao Gao began to study the law in order to suit his own interests. Soon he became familiar with many cases. Qin Shihuang heard that Zhao Gao was capable and proficient in prison laws and regulations, so he was promoted to the position of government order and concurrently served as government order.
In this way, Zhao Gao changed from a group of eunuchs to an official who was in charge of imperial chariots and horses and was free to leave the palace. Hu Hai, the youngest son of Qin Shihuang, liked him very much, so Zhao Gao tried his best to approach and please Hu Hai, and soon won the favor of Hu Hai.
Later, Qin Shihuang asked him to teach eighteen sons, Hu Hai, to decide a lawsuit. Zhao Gao felt indescribable joy in his heart. He lived with eighteen sons every day and obeyed him everywhere, which not only won the trust of Hu Hai, but also won the favor of Qin Shihuang, laying the foundation for him to further instigate, utilize and control Hu Hai.
4. Wang Zhen
Wang Zhen was the first eunuch in Ming Dynasty. He was originally a failed teacher, but he entered the palace by castration, and he was favored by Ming Yingzong. He began to monopolize power, collude with others, interfere in state affairs, and kicked off the eunuch empire. In order to build the so-called great achievements, he didn't know what the battle was about, so he encouraged the emperor to invade first himself. As a result, the emperor became a prisoner and ended his life.
5. Wei Zhongxian
Wei Zhongxian (1568—1627) was originally named Li Jinzhong. China was a eunuch in the late Ming Dynasty. A native of Suning (now Hebei) in northern Zhili. Born in the street, he was forced to become a eunuch in the palace because of gambling debts. He made friends with Wang An, the eunuch of Taiuterus, and was protected by him.
Later, I met Zhu Youxiao, the great grandson of the emperor, and had dinner with her. For the emperor's eldest grandson, he did his best to flatter him and lured him to give a banquet, which won his favor. In the first year of Taichang (A.D. 1620), Zhu Youxiao acceded to the throne as Xizong. Wei was promoted to eunuch.
References:
Baidu encyclopedia-eunuch