What ancient times do you want to know? How old is that?
During the Spring and Autumn Period and the Warring States Period, only today most of Liaoning Province in Northeast China is the subsidiary of Yan State. It's called Liaodong County. Heilongjiang province and Jilin province are all tribes ... without the influence of Han people.
There is also a Bohai kingdom in the Tang Dynasty. Have Baidu, the country of Bohai Sea.
Heilongjiang and Jilin have been an administrative family since ancient times. This can be seen from history ~
Are there any questions?
The true so-called northeast forms its own strength. Or the former dynasty of Nurhachi, Liaoning. The former dynasty, also known as the post-Jin dynasty, is now the northeast region once dominated the northeast regime. The capital of Houjin is now Shenyang, Liaoning Province. The third generation of Qing the emperor shunzhi entered the customs and settled in Yanjing. At that time, Shen Zhou was changed to Shengjing, meaning to get to Shengjing as soon as possible. Become the capital. After that, the population of black chicken reached the Qing Dynasty. Because most of the population moved from the Tang Dynasty to the northeast, the largest number of Han people lived in Liaoning Province. In the middle of Qing Dynasty, Jilin General, the general of Shengjing, was established (this was also the predecessor regime that began to divide provinces in history). Yanjing established Shuntianfu, the highest administrative unit in China. In the same year, Fengtianfu, the highest administrative unit in Northeast China, was established in Shengjing. It has developed slowly to this day ... for hundreds of years. Shenyang has become the capital city of northeast China. What is the capital of a warlord? The Japanese Kwantung Army was the first China city to invade China. Wait a minute. There are historical reasons for this ~