The activities of Kaifeng ancestors can be traced back to the Neolithic Age. Several early Neolithic Peiligang cultural sites have been discovered in Wanlonggang site in Wanlong Township, Xiangfu District, Kaifeng City, and Duantougang site in Weichuan Town, Weishi County. These excavations prove that there were human activities in Kaifeng as early as five or six thousand years ago.

Zhuan Xu, one of the five emperors, was awarded the title of "Levin Family" in Levin (now Levin Town, Qixian County) for his meritorious service in assisting Shao Hao in his early years.

Xia Dynasty, from Emperor Wu of the Han Dynasty to Emperor Yangdi of Sui Dynasty, was founded in Kaifeng in February17, and was called Laoqiu in history (now Guoduli Village in the northeast of Kaifeng City). This is the first time that Kaifeng has a clear historical record.

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Kaifeng City in the Northern Song Dynasty was the most prosperous period in ancient Kaifeng. Kaifeng at that time was the capital of the Northern Song Dynasty and was called Tokyo. Kaifeng City in the Northern Song Dynasty was prosperous, with a large population and highly developed economy and culture. It was the first prosperous big city in the world at that time.

Zhang Zeduan's Riverside Scene at Qingming Festival is the best portrayal of Tokyo's prosperity in the Northern Song Dynasty. The abolition of the curfew system in Tokyo in the Northern Song Dynasty made Kaifeng prosper rapidly. Moreover, Kaifeng in the Song Dynasty was also an important turning point in the transformation of China's ancient capital from closed to open.

Baidu Encyclopedia-Kaifeng