What term is often used to describe the time period form 476 to 1000?

The time period from 476 to 1000 is often referred to as the "Early Middle Ages" or the "Dark Ages." This era followed the fall of the Western Roman Empire and is characterized by a decline in trade, urban life, and literacy in Western Europe, along with the rise of feudalism and the spread of Christianity. It was a transformative time that laid the groundwork for the later Middle Ages.