In 1424, an old man died in the camp of the Chinese army in Yumuchuan (present-day Duolun, Inner Mongolia), on the land he had led five conquests, ending his 65-year life. Soon after, he was buried in the Changling Tomb of Tianshou Mountain in Beijing, with the temple name Ming Taizong, and for posterity, he was better known as another temple name, Ming Chengzu, Zhu Di.
On April 17, 1360, the twentieth year of the Yuan Dynasty (1360), Zhu Di was born in Yingtianfu (present-day Nanjing, Jiangsu Province), because Chen Youyu had already hit the doorstep, Zhu Yuanzhang did not even look at the newborn child, and it was not until he was seven years old that he had his own name, Zhu Di.
After the young Zhu Di was seven years old, under the guidance of Zhu Yuanzhang, zhu Yuanzhang made it easier for the brothers to receive military training like soldiers Zhu Yuanzhang believed that the seven sons were "suitable for studying labor", and ordered Zhu Di and his brothers to wear hemp shoes, wrap their legs, and hike outside the city like soldiers, ride horses on seven-tenths of the way, and walk three-tenths of the way, and as they grew older, they would practice their weapons on the martial arts field from time to time. At the same time, he also had many princes who received cultural education and Confucian education in the main hall.
In the third year of Hongwu (1370), Zhu Yuanzhang crowned the princes as kings, and zhu Di, who was ten years old, as the king of Yan, which also laid the foundation for the future Battle of Jingnan. In the thirteenth year of Hongwu (1380), Zhu Di took the throne of Beiping. Each prince had a small army called a "guard", a small number of three thousand, an as many as fifteen thousand. Zhu Yuanzhang was a firm believer in Buddhism, and when the kings first sealed, they had to choose a monk for them to assist. It was at this time that Yao Guangxiao met Zhu Di until he became the "black-clad prime minister" of the Yongle Dynasty. After the death of the crown prince Zhu Biao and the King of Jin and the King of Qin, Zhu Di was already the first among the princes in terms of ability, merit and age. It was supposed to be made crown prince and inherit the throne, but the crown prince Zhu Biao died, and Zhu Yuanzhang accepted the suggestion of the scholar Liu Sanwu and made the emperor's grandson Zhu Yunjiao the emperor's grandson, in order to put an end to the kings' covetousness for the throne. Zhu Di lost the possibility of a legitimate succession.
After Zhu Yunzhao ascended to the throne, he used qi tai and Huang Zicheng to cut the domain, and within a year, the kings of Zhou, Min, Xiang, Qi, and Dai were deposed. Zhu Di was also within the scope of the cutting domain, and in order to ensure safety, he even pretended to be crazy and stupid, pretending to be ill. At the same time, he gathered the soldiers and used the underground of the Yan King's Mansion to build weapons to accumulate strength and prepare to raise troops. In June of the first year of Jianwen (1399), Qi Tai sent Deng Yong to prison for interrogation, and Zhu Di sent troops to arrest the officials of Yan Prefecture and secretly ordered Zhang Xin to arrest Zhu Di. Zhu Di then occupied Beijing and rebelled, beginning a four-year war history called the "Battle of Jingnan". In June of the fourth year of Jianwen, Zhu Di invaded Nanjing, and Zhu Yunjiao disappeared from the palace. Soon after, Zhu Di took the throne as emperor at the Fengtian Temple in Nanjing,[52] and removed the Jianwen era name from the year of Hongwu Thirty-five Years[162] and the following year as the first year of Yongle (1403). Thus began his twenty-two years of rule.
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