What were the major events that led to the start of the Middle Ages?

What were the major events that led to the start of the Middle Ages?

The major events that led to the start of the Middle Ages include the fall of the Western Roman Empire in 476 AD, the invasion of various Germanic tribes such as the Visigoths, Ostrogoths, and Vandals, the establishment of the Byzantine Empire in the East, the spread of Christianity, and the decline of centralized political authority in Europe.