Shang Tang (about BC 1670- BC 1587), namely Cheng Tang, was born with a surname and a name. Shang Tang was once the monarch of Xia and Shang Dynasties. With the help of Yi Yin, Zhong You and others, it gradually wiped out the neighbors of Xia Dynasty, such as Ge and Fang Guowei, Gu and Kunwu, and became an invincible force at that time. Later, he wrote "Tang Shi", fought against Jie, and finally destroyed Xia.
After 3,000 governors' meetings, Tang was elected as the Emperor, with Bo as the capital and Shang as the title, and became the founding monarch of Shang Dynasty. Because it is the land of Tang Cheng, Shang Dynasty also called it "Tang Cheng Jiangshan". The capital of Shang Dynasty moved frequently, and it was not until its descendant Pan Geng moved to Yin that it was founded in Yin for 273 years, so Shang Dynasty was called Yin or Yin Shang by later generations.
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The sphere of influence of Shang dynasty greatly exceeded that of Xia dynasty. The territory of Shang Dynasty was from Liaoning in the north, Hubei in the south, Shaanxi in the west and the seashore in the east. In addition to a part of Hubei, Henan, Anhui, Shandong, Hebei, Shanxi, Beijing and Tianjin, Jiangsu and Shaanxi, it may also include a part of the remaining land in Shaanxi and Jiangsu, Liaoning, Gansu, Hunan, Zhejiang and Sichuan.
However, the Shang dynasty was far from forming a unified empire in later generations, and its territory was only a general sphere of influence. The northern and central parts of Henan province are the main areas that it can directly control, and some other countries are only strongholds of commercial power, and the control of businessmen is relatively weak.
Baidu Encyclopedia-Tang Cheng
Baidu encyclopedia-Shang dynasty