Extended information 1. Forage worm
According to historical records, in BC 1 1 century, people were named Emperor Yao and Yan after a dynasty. On the other hand, there was Yan a week ago, and later Yan was merged into Ji, with Ji city as its capital, which is now the predecessor of Beijing. After Qin destroyed Yan, Jixian County was built, so its address is in Beijing today.
Second, Youzhou
This name was first seen in Shangshu Shundian: "Yanyue Youzhou", which was one of Kyushu in ancient times. Youzhou was established in the Han, Wei, Jin and Tang Dynasties, located in the present Beijing area.
Third, Yan Dou
Among the Seven Heroes of the Warring States Period, there is Yan State, which is said to be named after its proximity to Yanshan Mountain, and its capital is Yan Dou. It will be used as another name for Beijing in some ancient books in the future.
Fourth, swim across.
Youdu County was established in the Tang Dynasty, and Youdu Mansion was established in the Liao Dynasty, which is now under the rule of Beijing.
Five, yanjing
In the second year of Tang Suzong Gan Yuan (AD 759), Shi Siming called Yan Di and john young Yanjing. After the "An Shi Rebellion" was pacified, Yanjing was cancelled. There are many changes in the official naming of Beijing, but the name Yanjing is widely used.
The intransitive verb Beijing
After Chang 'an became the national capital, before the first year of Tang Tianbao (AD 742), the capital Chang 'an was called the capital. The later capital refers to the capital. After Beijing became the capital, it was also called the capital.