Fall of the Roman Empire By mrbradshaw 375 Huns attack Germanic tribes in Eastern Europe 410 Visigoths sack Rome Germanic tribes had flooded into Roman Empire fleeing the Huns. 451 Romans stop Huns advance into western Europe 455 Vandals sack Rome Vandals had invaded Gaul, Spain and northern Africa 476 Germanic chief dethrones Roman Emperor Without an emperor the empire was no longer united. Mar 2, 2022 Visigoths defeat Romans at Battle of Adrianople