Germanic invasions began in the 400s
There were various groups that invaded the Roman empire among them were the Ostrogoths ad the Lombards. These groups were pushed into the weakened Roman empire by the Huns who also invaded Italy.
Mostly the Germanians (Barbarians) that invaded it.
The Goths.
barbarians invaded the Roman Empire
Germanic tribes are the people who invaded the Western Roman Empire.
barbarians invaded the roman empire
No one divided the Roman Empire. There was only one Roman Empire. Western and Eastern Roman Empire are terms which have been coined by historians. The Romans did not use them. The eastern and western parts of the Roman empire lost cohesion when the later was invaded by the Germanic peoples.
The Germanic peoples invaded the western part of the Roman Empire.
Barbarian was a derogatory term for foreigners. More specifically, several Germanic peoples invaded the western part of the Roman Empire.
Mongols
The groups which precipitated process of the fall of the western part of the Roman Empire (the eastern part continued to exist for nearly another 1,000 years) where the Vandals, Sueves, and Alans who invaded Gaul and moved on to Spain and north-western Africa, and the Burgundians who settled in northern Gaul.
The western part of the Roman Empire was invaded by Germanic peoples from central Europe and southern Germany. Britain's invaders were from northern Germany and the north of the Netherlands. The eastern part of the Roman Empire were not affected by these invasions and continued to exist for nearly 1,000 years