The invasions of Germanic tribes, including the Visigoths and Vandals, into Roman lands, driven by various factors like Huns and desire for better land, ultimately led to the fall of the Western Roman Empire in A.D. 476. The capture of Rome by the Visigoths in A.D. 410 and the sack of Rome by the Vandals in A.D. 455 highlighted Rome's weakened defenses. The final blow came in A.D. 476 when a Germanic general, Odoacer, deposed the last Roman emperor, marking the end of the Western Roman Empire. Here's a more detailed look:Motivations for the Invasions:Germanic tribes, like the Visigoths and Vandals, were pushed into Roman territory by the Huns, a nomadic group from Central Asia, and also sought better land or were motivated by grievances with Rome. The Sack of Rome (A.D. 410):The Visigoths, led by Alaric, captured and sacked Rome in A.D. 410, a major blow to the empire's prestige and power. The Vandal Invasions (A.D. 455):In A.D. 455, the Vandals, led by Gaiseric, also invaded and sacked Rome, causing extensive destruction and further weakening the empire. The Fall of the Western Roman Empire (A.D. 476):A Germanic general, Odoacer, overthrew the last Roman emperor, Romulus Augustulus, in A.D. 476, officially ending the Western Roman Empire. Significance of the Invasions:The Germanic invasions highlighted the empire's inability to defend its borders and manage internal problems, contributing to its decline and eventual fall.