Answer:
They started around the year 476 CE when the Western Roman Empire ended, and continued until around the time Christopher Columbus arrived in the New World in 1492. The 'Middle Ages' are called this because it is the time between the fall of Imperial Rome and the beginning of the Early modern Europe. This period of time is also known as the Medieval Age, the Dark Ages (due to the lost technology of the Roman empire), or the Age of Faith (because of the rise of Christianity and Islam).
Step-by-step explanation: