Beijing has a long history, and its history as a city can be traced back to 3000 years ago. Since Qin and Han Dynasties, Beijing has been an important town in northern China, and its names are Ji Cheng, Yan Dou, Yanjing, Dadu, Beiping and Shuntianfu. During the Spring and Autumn Period and the Warring States Period (770 BC-2265438 BC +0 years) from the pre-Qin Dynasty to the Qin and Han Dynasties, a city was built in Beijing, which was later defeated and moved to the capital, and was called Yan Dou or Yanjing in history. The Qin Dynasty is Jixian County, which is the headquarters of Yangguangjun. In the fifth year of Emperor Wudi's reign, it was designated as the territory of Yan State. In the first year of Yuanfeng, it was re-established as Yang Guang Ji County, belonging to Youzhou. In the first year of Benshi, it was the capital of Yang Guang. When Guangwu was reformed in the Eastern Han Dynasty, the secretariat department of Youzhou was located in Jixian County. Yongyuan reinstated Yangguangjun in eight years. From the Jin Dynasty to the Sui, Tang and Five Dynasties, until the Western Jin Dynasty, the court changed Yang Guangjun to Yan State, and Youzhou moved to Fan Yang. After the Sixteen Kingdoms and Zhao Dynasty, the residence of Youzhou moved back to Jixian County, and the state of Yan was changed to Yan County, which remained unchanged after the rule of Yan Qian, the former Qin Dynasty, the later Yan Dynasty and the Northern Wei Dynasty. It was not until Emperor Kai of Sui Dynasty abandoned Yan County for three years. But soon in the great cause of three years, the Sui Dynasty changed Youzhou to Zhuo Jun. During the Wude period in the early Tang Dynasty, Zhuo Jun was also called Youzhou. In the first year of Zhenguan, Youzhou was placed under the jurisdiction of Hebei Road. After Beijing became the residence of john young festival history. During the Anshi Rebellion, An Lushan once proclaimed himself here, and the founding name was "Wild Goose". The restoration of Youzhou after the rebellion in the Tang Dynasty belongs to the historical control of Lulong Festival. In the early Five Dynasties, the warlord Liu Rengong established a separatist regime here, calling himself the Prince of Yan, which was later destroyed by the later Tang Dynasty. Liao Dynasty Liao Dynasty established Nanjing in Beijing from the first year of Huitong, changed Youzhou to Nanjing Xijin House, and changed its name to Yanjing in the first year of Kaitai. In the first year of Zhenyuan in the Jin Dynasty, Di Chin Yan Hongliang officially established Beijing as the capital, which is called Zhongdu in history. Since then, the capitals of Yuan Dynasty, Ming Dynasty and Qing Dynasty have all been located in Beijing. Genghis Khan of Yuan Dynasty captured Beijing in 12 16, and set up Daxing Mansion on Yanjing Road. In the first year of Yuan Shizu to Yuan Dynasty, it was changed to Daxing Mansion in Zhongdu Road. In the fourth year of Yuan Dynasty, the construction of Yuandadu began in the northeast suburb of Jinzhongdu. In the ninth year of the Yuan Dynasty, Daxing Mansion in Zhongdu was officially renamed Dadu Road, with Kan Balick in Mongolian and Kan baruch and Gambali Ke in Chinese characters. In the early Ming Dynasty, Yingtianfu was the capital. In August of the first year of Hongwu, Dadu Road was renamed Beiping House, and it was transferred to Shandong Province in October of the same year. In March of the second year of Hongwu, it was changed to Beiping Chengxuan Post Office. Judy (Ming Taizu Chengzu) launched the war in the south of Beijing and won the throne. In the first year of Yongle, she was promoted to Beijing, which was called "running in" in history. In the first month of the 19th year of Yongle, the Ming government officially moved its capital to Beijing, with Shuntianfu Beijing as its capital and Nanjing as its capital. Immediately after the Qing dynasty entered the customs, it occupied Beijing, also known as the capital Shuntianfu, which belonged to Zhili. After the Revolution of 1911 (19 1 1), the capital of the Republic of China was Nanjing, and it moved to Beijing in19/2, until 1927, when the Beiyang government collapsed. At this time, Beijing's local system is still in accordance with the Qing system, or called Shuntianfu. It was not until the third year of the Republic of China that Shuntianfu was changed to Jingzhao, which was directly under the Beiyang government. After the Northern Expedition, the capital of China was moved to Nanjing, and Beijing was renamed as Beiping Special City, and Jingzhao was abolished at the same time. 1in June, 930, Beiping was reduced to the city under the jurisdiction of Hebei Province, and1in February, 930, it was re-promoted to the city under the jurisdiction of the Institute. 1937 After the July 7th Incident, Beiping was occupied by Japan, and the puppet regime "Provisional Government of the Republic of China" was established, and Beiping was renamed Beijing. On August 2,1,1945, the Sun Lianzhong department of the 11th war zone regained Beijing and renamed it Beiping. 1949 65438+1October 3 1, China * * * Army gained control of Peiping. On September 27th of the same year, the first plenary session of China People's Political Consultative Conference passed the Resolution on the Capital, Calendar, National Anthem and National Flag of People's Republic of China (PRC), and Beiping was renamed Beijing. On June 6th, People's Republic of China (PRC) was proclaimed in Tiananmen Square.