In 215 BC, Qin Shi Huang sent the great general Meng Tian to lead a 300,000-strong army to attack the Xiongnu in the north, and then added the original Great Wall of Qin, Yan and Zhao to establish the Great Wall, which became a fortress for the Central Plains peoples to resist the northern nomads for more than 2,000 years.
Since the Qin Dynasty, all dynasties have had military operations of the Northern Expedition, Han Gaozu Liu Bang personally led 320,000 troops to the Northern Expedition, Lu Xun, Zhuge Liang, and Jiang Wei all had the Northern Expedition during the Three Kingdoms period, there were 9 Northern Expeditions during the Eastern Jin Dynasty and the Southern and Northern Dynasties, and Liu Yu, the founding emperor of the Southern Song Dynasty, recovered the homeland of the Eastern Jin Dynasty, attacked the Southern Yan (Sixteen Kingdoms), Later Qin, and the Northern Expedition was almost perfect.
Later Zhou shizong Chai Rong Northern Expedition, the Song Dynasty successively had the Northern Song Yongxi Northern Expedition, the Southern Song Dynasty Yue Fei Northern Expedition, Longxing Northern Expedition, etc., the Yuan Dynasty had the Red Turban Army Northern Expedition, but none of them were successful, the Ming Dynasty Xu Da Northern Expedition, ended the Yuan Dynasty rule, the Later Ming Taizu Zhu Yuanzhang eight Northern Expeditions, the Ming Dynasty became the only dynasty in history to succeed in the Northern Expedition.
Why did the Ming Dynasty become the first dynasty to succeed in the Northern Expedition? Experts: Mainly do these 2 things correctly; before the Ming Dynasty, there were three large-scale population migration operations, known in history as "Yiguan South Crossing": the Western Jin Dynasty "Yongjia Rebellion" Jin Yuan Emperor Sima Rui crossed the river and established the Eastern Jin Dynasty; after the Tang "Anshi Rebellion", Zhongyuan Shishu avoided the chaos and migrated south and established the Southern Tang; at the end of the Northern Song Dynasty, the "Difficulty of Jingkang" Song Gaozong crossed the river and established the Southern Song Dynasty.
Before moving south, the south was still a "barren land", which was completely different from today's rapid development, while the northern nomads obtained resources through trade and war plunder, the military of the north was ahead of the south, after the "crown of the south", the economic center shifted from the central plains to the Jiangnan region, the rapid development of the southern region, Jiangnan became the richest place.
Therefore, the advantages of the north before were broken, and Zhu Yuanzhang's world was completely fought by himself, he fought in the south and the north for several years, step by step ascended to the throne, established the Ming Dynasty, and the iron bone Zhengzheng.
Zhu Yuanzhang is familiar with the battlefield, his men are also invincible, from the Ming Dynasty is the only dynasty in history that is not harmonious, cut land, and pay reparations, we can know that the Ming Dynasty has the backbone and attitude, and it is the first thing that the Ming Dynasty did right, ming Taizu's eight northern expeditions, not without failure, but to fight the enemy dare not invade again, is the second thing to do right.
After ming taizu's sixth northern expedition, the Northern Yuan regime was seriously injured after the Battle of Yu'erhai (now Bell Lake), but the Northern Expedition did not stop; Ming Chengzu Zhu Di participated in the seventh and eighth Northern Expeditions of Ming Taizu, and after succeeding to the throne, he went on an expedition to the Battle of Mobei, known in history as the "Yongle Northern Expedition", and finally won the victory over the Dynasty.
In the fourteenth year of orthodoxy (1449), Ming Yingzong's Northern Expedition, there was the Tumu Fort Incident, Ming Yingzong Zhu Qi town was captured, the Wa Lai army originally wanted to blackmail the Ming Dynasty, but what they did not expect was that the abacus failed, and Ming Yingzong returned to the Ming Dynasty as a result.