The Water Margin describes the story of the uprising led by Song Jiang at the end of the Northern Song Dynasty. The capital of the Northern Song Dynasty, also known as Tokyo, is located in Kaifeng City, Henan Province and its surrounding areas.

In 960, Zhao Kuangyin established Kaifeng Prefecture, the capital of the Northern Song Dynasty, and renamed it Tokyo, which lasted 167 years. At its peak, its population reached 1.5 million, making it the largest city in China.

The prosperity of Tokyo in the Northern Song Dynasty was not only the important position of the national political, economic and cultural center, but also benefited from the convenience of waterway transportation in China.

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According to historical records, the urban population in the middle and late Northern Song Dynasty was as high as 1.5 million. During the same period, the urban population of other big cities in the world, such as Baghdad, Rome and London, ranged from 40,000 to 200,000. As far as population is concerned, Kaifeng, the capital of Northern Song Dynasty, has become a unique metropolis in the world.

During the Warring States Period, Wei made Kaifeng its capital for the first time. Since then, Hou Liang, Houjin, Houhan and Houzhou of the Five Dynasties, from the Northern Song Dynasty to the Jin Dynasty, have all settled here. Therefore, Kaifeng is called "the city of seven dynasties".

During the Northern Song Dynasty, during the period of 168, Kaifeng developed into a metropolis with a population of more than one million and goods between the north and the south. It not only became the political, economic and cultural center of China at that time, but also became an international metropolis. The Riverside Scene at Qingming Festival by Zhang Zeduan, a painter in the Northern Song Dynasty, accurately describes the prosperity of Kaifeng in Tokyo during this period.

Baidu Encyclopedia-Water Margin

Baidu Encyclopedia-the ruins of Tokyo City in Northern Song Dynasty