Concept map on the Fall of the Western Roman Empire. This diagram summarizes the internal and external causes of the Empire's crisis, the migrations of the Germanic peoples, the pressure of the Huns, the Sack of Rome in 410 AD, the invasions of the Vandals and Visigoths, Attila's campaigns, and the deposition of Romulus Augustulus by Odoacer in 476 AD. A clear and comprehensive summary to review the events that led to the end of the Western Roman Empire and the beginning of the Middle Ages.