1. In 410 AD, the Visigoths led by Alaric I sacked the city of Rome.
2. In 455 AD, the Vandals, under the command of King Genseric, plundered Rome.
3. In 476 AD, the last Roman emperor, Romulus Augustulus, was deposed by the Germanic chieftain Odoacer, marking the traditional date for the fall of the Western Roman Empire.
4. In 537 AD, the Byzantine general Belisarius recaptured Rome from the Ostrogoths, but the city had already suffered significant decline.
5. In 751 AD, the Lombards invaded Rome, leading to the end of the Byzantine presence in the city and the beginning of the Papal States.