Which dynasty was China in the Middle Ages?

There are Northern and Southern Dynasties, Sui Dynasty, Tang Dynasty, Five Dynasties and Ten Kingdoms, Song Dynasty and Yuan Dynasty.

The Middle Ages, from the late 5th century to the middle of15th century, is the middle period of three traditional stages of European history (classical age, medieval age and modern age). Europe in the Middle Ages, China in the Southern and Northern Dynasties, until the middle of the Ming Dynasty, China experienced the Southern and Northern Dynasties, Sui, Tang, Five Dynasties and Ten Kingdoms, Yuan Dynasty and the middle of the Ming Dynasty.

Medieval history is also called medieval history. Due to different concepts, the world has different understandings of the beginning and end of medieval history. The formation, development and disintegration of feudal system is the main line of European history in this period.

However, the development of feudal society in the world is unbalanced (note: the "feudal society" here is a social stage comparable to "slave society and capitalist society", and it is a set of social evolution theory put forward by Marx in the process of studying the development of European society. However, theorists have different views on the development stage of China feudal society. Some people think that the feudal system of the Zhou Dynasty in China was a feudal society, but it was not a feudal society after the Qin Dynasty to the Republic of China.