Ming Taizu Zhu Yuanzhang started in the late Wei Dynasty, worked as a beggar, became a monk, started by rebellion, opened up all the way, defeated Chen Youyi and Zhang Shicheng, established the Ming Dynasty, and finally overthrew the Yuan Dynasty government, unified the whole country, and created the foundation of the world.
However, the "gene" of the old Zhu family's rebellion seems to have been inherited, Zhu Yuanzhang died, and the emperor's eldest grandson Zhu Yunjiao succeeded to the throne for Emperor Jianwen, but not long after Zhu Yuanzhang's fourth son, Zhu Di, the king of Yan, rebelled, Zhu Di's idea was very simple, this world Zhu Yuanzhang grabbed, he naturally also grabbed, anyway, robbed or the Zhu family's world, so in the first year of Jianwen, that is, in 1309, Zhu Di officially rebelled and waved his army south.

Thus began the three-year-long "Battle of Jing".
Zhu Di's rebellion was expected, the Ming Dynasty was first established, Zhu Yuanzhang was the king of the domain, of which Zhu Di, the King of Yan who was guarding in Beiping, was the most important to Zhu Yuanzhang because of his many conquests, and even achieved the privilege of "restraining soldiers and horses along the border", and his status was the most special among the kings of various domains, which made Zhu Di's ambitions continue to expand, Zhu Yuanzhang and Zhu Biao were still alive and could still intimidate Zhu Di, Zhu Biao died early, and after Zhu Yuanzhang's death, the young Zhu Yunjiao was not put in Zhu Di's eyes at all.
Therefore, Zhu Yuanzhang had just died zhu Di and dared to openly disobey Zhu Yuanzhang's edict not to allow the kings to "enter and be buried", and led people straight to the capital division, which greatly displeased Zhu Yunjiao, and he was also jealous of the kings, so he began to cut the domain under the advice of Huang Zicheng and Qi Tai.
In 1309, Zhu Di used Zhu Yuanzhang's "Emperor Ming Ancestral Training" as an excuse to accuse Huang Zicheng, Qi Tai and others of being traitors, under the banner of "Qing Jun's Side, Jing Guo Difficulty", and after three years of fighting, Zhu Di finally attacked the Ming Emperor Yingtian in 1402, and in the same year, Zhu Di ascended the throne for Ming Chengzu, and Zhu Di also became the only king in Chinese history who successfully rebelled!
In fact, the reason why Zhu Di was able to rebel successfully had a lot to do with a person named Mei Yin
According to the "History of Ming", Mei Yin was the nephew of Mei Sizu, the Marquis of Runan, in the early Ming Dynasty, who was clever and clever since childhood, talented, proficient in scripture history, and was appreciated by Zhu Yuanzhang, who in the eleventh year of Hongwu, Zhu Yuanzhang matched his second daughter Princess Ningguo to Mei Yin, and Mei Yin thus became a foreign relative of the imperial family, received special care, and was promoted all the way.
Mei Yin was also a man of real talent and learning, and spoke and did things extremely decently, so Zhu Yuanzhang had a green eye for him, according to historical records, the two even loved father and son, and this honor was not enjoyed by Zhu Yuanzhang's other sons-in-law!
In 1398, The Ming Emperor Zhu Yuanzhang died, and on his deathbed, he was passed on to Zhu Yunjiao, and secretly ordered Mei Yin to assist Zhu Yunjiao, and Mei Yin agreed with his mouth. In the first year of Jianwen, Zhu Di, who had been planning for a long time, rebelled, and although Zhu Di was brave and good at war, all of his men were all divisions in a hundred battles, but Zhu Yunjiao was after all sitting on the national soldiers and horses, and his strength could not be underestimated, so the war between the two sides was once very glue.
In 1400, Zhu Di besieged Jinan for more than three months, but he had no choice but to retreat to Beiping, Yao Guangxiao advised Zhu Di to give up attacking the city, swing his division south, and directly attack Nanjing, Zhu Di took his advice, led his army around the heavily guarded city pool, all the way south, Zhu Yunjiao ordered Mei Yin to lead a 400,000-strong army to guard Huai'an, in order to resist Zhu Di's army.
In April 1402, Zhu Di led a large army to Huai'an, sent emissaries to use the incense as an excuse to try to borrow the road, but Mei Yin Dayi angrily rebuked Zhu Di, and sent people to cut off all the ears and noses of the envoys, leaving only the mouth to convey the meaning that he would never give way, Zhu Di had no choice but to lead the army to change course, from Yangzhou to Nanjing, in June of the same year, Zhu Di attacked Nanjing, Emperor Jianwen disappeared, in July, Zhu Di ascended the throne as emperor, for Ming Chengzu.
Do you think something is wrong? Where did Mei Yin's 400,000 troops go?
According to historical records, Mei Yin angrily rebuked Zhu Di and did not move, and later Zhu Di changed his route to Yangzhou and he did not send troops to pursue him from behind, even when Zhu Di attacked Nanjing, when Emperor Jianwen was in danger, Mei Yin still did not move according to the army, and did not have the slightest intention of returning to help, so it is said that Zhu Di was able to attack Nanjing so smoothly, Mei Yin was really "indispensable", but whenever he sent troops to resist Zhu Di or led an army back to Nanjing, history is likely to be rewritten!
So what is the end of Mei Yin?
According to the "Biography of Zhu Di", Zhu Di called herself empress dowager, forced Princess Ningguo to write a blood letter to Mei Yin, who was stationed in Huai'an, in which he informed Mei Yin that Emperor Jianwen had fallen and asked him to go to Nanjing to "report", Mei Yin read the letter, and false benevolence and false righteousness cried a lot, first to go with Emperor Jianwen, and then decided to endure for a while, after mourning for Emperor Jianwen, Mei Yin gave up his military power and rushed to Nanjing, Zhu Di originally thought that Mei Yin did not lead the troops back to help because he had the intention of surrendering.
So cheerfully greeted in person, the first side of Mei Yin said", did not expect Mei Yin to reply with a straight face, "Labor and fruitless, sorry to be just", Zhu Di heard the teasing meaning in Mei Yin's words, his face was heavy, and he endured without attacking, and then he sent someone to monitor Mei Yin's every move, after learning that Mei Yin often had some "rebellious words", Zhu Di became more and more dissatisfied with Mei Yin, and the original "love" was gone!
In October of the third year of Yongle, when Mei Yin entered the dynasty and passed through The Bridge, she was squeezed into the water by Tan Shen, the former military governor, Zhao Xi, the commander of JinyiWei, and others, and then the two of them played Zhu Di, claiming that Mei Yin did not want to open the water before committing suicide, Zhu Di did not investigate in detail, but only ordered Mei Yin's family to deal with the aftermath, but unexpectedly, after Princess Ningguo learned of her husband's death, she ran to Zhu Di and cried and made trouble, and some ministers also stood up to testify that Tan Shen and Zhao Xi deliberately squeezed Mei Yin into the water, and Zhu Di rode a tiger, so he had to order a thorough investigation, and finally Put Tan Shen, Zhao Xi and the two beheaded and raided the family, and made Mei Yin's two sons officials, and the matter was closed.
The truth of the matter is known to everyone, if Tan Shen and Zhao Xi did not have Zhu Di's instructions, they would definitely not dare to harm the horse, but the two did not expect that they finally became Zhu Di's scapegoat, and can only say that the companion is like a companion tiger!
brief summary:
In history, there is some controversy about the characterization of Mei Yin, some people think that he is loyal to the king and patriotic, some people think that he betrays the lord and seeks glory, but in the view of the editor, Mei Yin is extremely hypocritical, after Zhu Di led the army to Huai'an, he rebuked Zhu Di with great righteousness and awe, but in fact, he did not move according to the soldiers, sat on the mountain and watched the tiger fight, Zhu Di called the empress, he first wanted to be martyred for Zhu Yunxiu, turned his head and surrendered his military power, went to Nanjing, saw Zhu Di and then pretended to be loyal to the king and patriotic, and satirized Zhu Di in his words, he did this to show the world that he was not a traitor to the lord and seek glory Unfortunately, he did everything and ended up with only one empty end!
References: Zhu Di Biography, History of Ming
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