The temple names of Liu Bang and Li Yuan are great-grandfathers. Why are the temple names of Zhao Kuangyin and Zhu Yuanzhang great-grandfathers?

This is based on the great achievements of a person's life to determine the temple number. As we all know, ancient emperors had titles such as "Emperor Gaozong", "Emperor Gaozu" and "Taizu", and they were called after their death according to the deeds of the emperor. If a person works hard for a great cause before his death, his temple number will be higher, called Taizu. If the emperor inherited the position of the first emperor, which is now called the rich second generation, then his name may be lower, called Gaozu. Of course, some people have bad titles after death because of their extravagance and inaction during their reign, such as Yang Di and Shang Zhouwang.

Zhao Kuangyin and Zhu Yuanzhang were called Mao, because they both got everything by their own efforts. Zhao Kuangyin was banished to Jianghu since he was a child and suffered a lot. Later, he worked hard to become an emperor in the mutiny in Chen Qiao, and then established the Song Dynasty. Therefore, the temple name is "Mao, Zhu Yuanzhang is even worse. His grandparents were all from agriculture, and he lived a hungry life since he was a child. Later, he established the imperial industry by his own efforts. The Ming Dynasty established by Zhu Yuanzhang was entirely successful by his own efforts. He deserves to be called Mao.

Compared with Li Yuan, Liu Bang made little effort. Tang Gaozu is an ambitious man, but everything he has is created by his sons. He is also a rich second generation. Later, his sons supported him to become emperor. At this point alone, Tang Gaozu's fame is not great. Liu Bang was actually called Emperor Gao, the emperor of Han Taizu, and he made his own efforts step by step. Being called Emperor Gaozu is actually unfair to Liu Bang, but his achievements are obvious to all. He's still great.

Ancient people were particular, and they had some names in all aspects, and they also affirmed or denied a person's achievements. We can study ancient history according to these and realize the continuous development of modern times.