The name of the Zhou Dynasty (65438 BC+065438 BC+mid-20th century BC-222 BC). One of the Seven Heroes in the Warring States Period. In today's northern Hebei and western Liaoning. Destroyed by Qin.

Yan State (65438 BC+0044 BC-222 BC) was a vassal state of China during the Spring and Autumn Period and the Warring States Period, and it was one of the Seven Heroes of the Warring States Period.

BC 1044, after the Shang Dynasty was destroyed, his brother was appointed as Qiu.

Before the 7th century, Yan extended to northern Hebei and western Liaoning, and after it annexed Jizhou, it established Jizhou (now Beijing) as its capital. Yan State lasted for 822 years and was always in the middle and lower reaches among the vassal states.

In the first 228 years, Qin destroyed Zhao, Xiao Shui and Yan Taizi Dan secretly sent Jing Ke to stab Qin. Finally, Jing Ke was killed, and Ying Zheng, the king of Qin, was furious and ordered Wang Jian to send troops to attack Yan. In the first 226 years, Yan led the Guards to flee Liaodong.

In the first 222 years, the king of Qin sent Wang Ben to attack Liaodong, captured the prince of Yan, and the state of Yan perished. Qin is located in Yuyang County, Youbeiping County, Liaoxi County and Liaodong County.

Extended data:

Yan (yān) "Historical Justice" quoted Xu Caizong's "National Capital" and said "Li Wei. The land is in the Yanshan wilderness, hence the name of the country. " "The Capital" holds that the Yan State sealed by Zhao Gong is in the wild of Yanshan Mountain, and the Yan State is named after Yanshan Mountain.

When the ancient yandi was formed, there is no textual research. Archaeologists discovered a large-scale Shang and Zhou ruins in Dong Jialin and Huangtupo Village, Liu Lihe Township, Fangshan District, Beijing, including the city site built at the end of Shang Dynasty and extended to the Western Zhou Dynasty. Some scholars believe that this is the original capital site of Yan State.

References:

Baidu Encyclopedia Guo Yan