The document provides an overview of the Early Middle Ages in Europe following the fall of the Western Roman Empire. It discusses the Germanic migrations that led to the empire's fall in 476 CE. The Visigoths established a kingdom in the Iberian Peninsula during this period, with Toledo as its capital. The Byzantine Empire adopted Greek customs and separated from the Catholic Church in 1054 CE. Islam was founded by Muhammad in the 7th century and spread across Arabia and beyond. The Carolingian Empire was established by Charlemagne in the late 8th century, though it declined after being divided among his heirs.