The name Tianjin was indeed named by Zhu Di, the founder of the Ming Dynasty. Therefore, it can be said that Tianjin has received attention from rulers since ancient times. Without this attention, rulers would not have made such changes and names to it. According to Zhu Di, the founder of the Ming Dynasty, Tianjin was an important barrier for the capital at that time. It was precisely because Tianjin was in front of the capital that it played a certain protective role for the safety and stability of the capital. Therefore, this area of ??Tianjin has become an ancient an important military battlefield. As a result, Tianjin's economy and culture have developed vigorously.
Judging from the current map of China, Tianjin is located on the shore of the Bohai Sea. Tianjin can be regarded as a piece of land formed by the degradation of sea water. In the long river of time, Tianjin has always been It was not called this name at first. During the Spring and Autumn Period and the Warring States Period, the Tianjin children at that time were one of the territories of Yan and Zhao, and did not have their own real name. Until the later Emperor Wu of the Han Dynasty, because he attached great importance to this area , so a local administrative agency, Yuyang County, was set up in this area. Through the establishment of Yuyang County, some politics and economy near Tianjin were managed. Therefore, during the Han Dynasty, Tianjin was named Yuyang County. Subsequent dynasties basically followed this name, so Tianjin's name basically did not change from the Han Dynasty to the Ming Dynasty.
But when it came to the hands of Zhu Di, the founder of the Ming Dynasty, Tianjin's name changed dramatically. At that time, Tianjin served as an important military barrier for the capital and played an immeasurable role. Therefore, Zhu Di, the founder of the Ming Dynasty, We attach great importance to this place. At the same time, Tianjin, as a city close to the sea, was conducive to my country's overseas trade at that time and could provide an important strategic transit place for overseas trade. It was also through Tianjin, an important port city, that the Ming Dynasty North Korea's overseas trade at that time had been vigorously developed. For example, through overseas trade, we started from Tianjin and gradually carried out trade exchanges and some cultural exchanges with neighboring small countries such as South Korea, Japan, and North Korea. Under such circumstances, it expanded and spread. A kind of communication power and influence of Chinese culture. It also enhanced the prestige and status of the Ming Dynasty among neighboring countries at that time.
Since Zhu Di launched the Jingnan Campaign, he became the new emperor of the Ming Dynasty. At that time, Zhu Di set out from Tianjin as his starting point. From here on, he prepared his own army. Come to attack your nephew Zhu Yunwen. Therefore, this is a revelation point for Zhu Di's victory. It was from Tianjin that Zhu Di was able to attack the world and unify the Central Plains region at that time. Therefore, Tianjin was of great significance to the station, so after Zhu Di successfully proclaimed himself emperor He simply changed his name to Tianjin, and it became his current name. This name has been used ever since and has not changed in contemporary society.