Introduction to the Seven Dynasties Chapter: Kaifeng has seven dynasties, including the Wei during the Warring States Period, the Later Liang, the Later Jin, the Later Han, the Later Zhou, the Northern Song and the Jin, that established their capitals here. It is known as the "Ancient Capital of the Seven Dynasties". Especially during the Northern Song Dynasty, with the help of water transportation, Kaifeng achieved unprecedented development. With a population of over one million, Kaifeng became the most prosperous city in the world at that time.