Qin dynasty: Qin dynasty (pre-22 1? Qian 207 was the first unified dynasty in the history of China, which was developed by the State of Qin during the Warring States Period. Qin Shihuang established. Qin Shihuang destroyed the six countries from 230 BC to 22 BC1year and BC 10, and established the Daqin empire. Although it was difficult for Qin Shihuang to destroy the six countries, Qin Shihuang came to power because of the continuous efforts of Ming Di, the sixth generation of Qin Shihuang, and Qin's national strength far exceeded that of the other six countries. This also provided a strong guarantee for Ying Zheng to destroy the six countries.
Han Dynasty: The Han Dynasty (202-220 BC) was a unified dynasty after the Qin Dynasty, which was founded by Liu Bang. It was very difficult for Liu Bang to establish the Han Dynasty, because when Liu Bang rose up and rebelled, Liu Bang was just a pavilion leader, who went through the battle to destroy Qin, then was driven to Shu, and then went through the Chu-Han War of ***9 years, and finally established the Han Dynasty, facing the super rival Xiang Yu.
Jin Dynasty: The Jin Dynasty (265-420) was divided into two periods: the Western Jin Dynasty and the Eastern Jin Dynasty, among which the Western Jin Dynasty was one of the unified dynasties in the history of China. Founded by Sima Yan. In 265, Wei was usurped, the Jin Dynasty was established, and Dongwu was destroyed in 280, completing reunification. The establishment of the Western Jin Dynasty was mainly attributed to Wei. So it is relatively easy.
Sui Dynasty: The Sui Dynasty (58 1-6 18) was a unified dynasty in the history of China. Founded by Emperor Wendi of Sui Dynasty, in 58 1 year, Emperor Jingdi of Northern Zhou abdicated in Emperor Wendi of Sui Dynasty and the Northern Zhou Dynasty perished. What is the name of Emperor Wen of Sui? Hey? .
Tang dynasty: Tang dynasty (6 18? 907), the unified dynasty after the Sui Dynasty, was established by Li Yuan. In 6 17, Tang Taigong Li Yuan Jinyang set out to establish the Tang Dynasty in Chang 'an the following year.
Yuan Dynasty: Yuan Dynasty (127 1 year? 1368) is a dynasty established by Mongols, the Yuan Dynasty was established by Kublai Khan, and the former life of the Yuan Dynasty was Great Mongolia established by Genghis Khan.
Ming Dynasty: The Ming Dynasty (1368- 1644) was the last unified dynasty in the history of China, which was founded by Zhu Yuanzhang. At the end of Yuan Dynasty, people lived in poverty because of political corruption. Zhu Yuanzhang was still a beggar at that time. Later, he joined the rebels in Guo Zixing and was driven away. Later, he went it alone and experienced the destruction of Chen Youliang and Zhang Shicheng. After the northern expedition and the western expedition, to? Drive out Land Rover and restore China? "Destroy Yuan" slogan, and then Zhu Yuanzhang destroyed Ming Sheng in Sichuan and Liang Wang in Yunnan successively, and destroyed Zara Valmy and Naha in Liaodong. Eight times to send troops into Mobei, break the North Yuan, and the world will finally be decided.
Qing dynasty: Qing dynasty (1636? 19 12) is the last unified feudal dynasty in the history of China, which was founded by Huang taiji. The former life is the foundation of Nuerhachi, the leader of Jianzhou Jurchen Department. After the defeat, Wu Sangui surrendered. After Dourgen led the troops into Shanhaiguan and moved the capital to Beijing, the Qing Dynasty officially became the national ruler.
As can be seen from the above, among the emperors who actually started their own businesses, only Liu Bang and Zhu Yuanzhang started the lowest. In the absence of background, laid the foundation. However, personally, Zhu Yuanzhang's entrepreneurial conditions are worse than Liu Bang's, from a beggar who didn't know a word to the Ninth Five-Year Plan. Liu bang is still a civil servant. Therefore, Zhu Yuanzhang's entrepreneurship is estimated to be the most difficult one among the above entrepreneurs.