According to historical records, Yan Feng summoned Du Yan after Zhou Wuwang destroyed the business in BC 1 122. Since ancient times, Du Yan has been named after Yan Dou. Among the Seven Masters of the Warring States Period, it is said that Yan was named after its proximity to Yanshan Mountain, and its country was called "Yan Dou".
Youzhou, one of the ancient Kyushu. The name of Youzhou was first seen in Shangshu Shundian: "Yan is called Youzhou." Youzhou was established in Han, Wei, Jin and Tang Dynasties, and all of them were ruled in Beijing.
Beijing, the capital, refers to the capital of the whole country. After Beijing became the capital, it was also called the capital.
In the Yuan Dynasty, the new city was rebuilt around Beihai Park and built in the golden hall of the Yuan Dynasty. From the early Yuan Dynasty to the ninth year of Yuan Dynasty (1272), it was renamed Dadu, commonly known as Dadu in Yuan Dynasty.
Beiping was the first year of Hongwu in Ming Dynasty (1368). After Zhu Yuanzhang abolished the Yuan Dynasty, the Yuan Dynasty changed its name to Beiping to record its achievements in pacifying the North.
In Beijing, the first year of Yongle in Ming Dynasty (1403), Judy Yongle of Ming Taizu acceded to the throne and changed her feudal Beiping mansion to Shuntianfu. This is the beginning of the official name of Beijing. It has a history of over 600 years.
Shi Jing moved his capital to Beijing in the 18th year of Yongle (1420), and was renamed Shi Jing in the Qing Dynasty.
Jingzhao, abandoned Shuntianfu in the Republic of China, was placed under Jingzhao, located in the middle of Zhili, covering most parts of Beijing. In the 17th year of the Republic of China (1928), Beijing was abandoned and changed to Beiping.
Extended data:
The mountainous area of Beijing is 10200 square kilometers, accounting for 62% of the total area, and the plain area is 6200 square kilometers, accounting for 38% of the total area. Beijing is high in the northwest and low in the southeast. The average altitude in Beijing is 43.5 meters. Beijing plain is 20-60m above sea level, and mountain area is 1000- 1500m above sea level.
The west of Beijing belongs to Taihang Mountain, and the north and northeast belong to Yanshan Mountain. The highest mountain is Dongling Mountain in Mentougou District, Beijing, with an altitude of 2303 meters. The ground floor is the southeast border of Tongzhou District. The two mountains meet at the South Pass, forming a semi-circular mountainside extending to the southeast. People call it "Beijing bend", and the small plain around it is the Beijing plain.
Baidu Encyclopedia-Beijing
Baidu encyclopedia-Beijing city