Who were the surfs in the middle ages?
The "serfs" in the middle ages where people who were poor. They were basically born into slavery similar to some black slaves. They were allowed to own their own land sometimes. They had to stay on their masters land and payed to use their material.
Some people regard the Middle Ages as beginning when the ancient times ended. Others have the ancient times ending in the middle of the 5th century, and the Middle Ages starting in the 11th. According to the first of these, the time between the ancient times and the Middle Ages is called the Early Middle Ages, but the later usage would have it be called the Dark Ages.