...There was about 4000 years of Chinese history based around the Yangtze river valley, particularly north of it, as well as the main hub of the Qin dynasty. Ch

...There was about 4000 years of Chinese history based around the Yangtze river valley, particularly north of it, as well as the main hub of the Qin dynasty. China has been a northern focused entity for almost it's entire existence, especially since Qin. That also includes the Qing and Yuan. Even the Ming were centralized in Beijing for a large portion of it's existence.