Check to be sure, but I think these people were called the Magyars.
The Germanic peoples who invaded in the late 2nd Century BCE.
Who invaded Europe during the middle ages
Chaldeans, Medes, Sythians
The city of Rome itself was never invaded. Rome was sacked four times during antiquity (by the Gauls, Visigoths, Vandals and Ostrogoths but it was never actually invaded or conquered. The peoples who sacked it left before Roman legions gathered from elsewhere in the empire caught up with them. It was the western part of the Roman Empire which was invaded. It was invaded by much more than two peoples. It was invaded by the Vandals, Alans, Sueves, Burgundians, Alemanni and Franks. Britannia was invaded by the Angles, Saxons, Jutes and Frisians. All of these peoples, except for the Alans who were Iranian speakers, were Germanic peoples.
The Roy Johnson Company invaded and were wiped out :)
Britannia, Gallia, Hispania, Italian peninsula
By the 5th century Christianity had bread throughout the Roman Empire. It had reached the Germanic peoples who were later to invaded the western part of the Roman Empire: the Sueves, Burgundians, Vandals and Alans. The former two lived in modern southern Germany and the other two in modern eastern Hungary. It also reached Ireland through the missionary work of Palladius and St Patrick.
It all depends on what time in history you might be inquiring about.
The Viking people invaded and settled in Britain a long time ago.
The Germanic peoples invaded the western part of the Roman Empire.
Sea Peoples
Four germanic peoples invaded England: The Angles, Saxons and Jutes from northern Germany and the Frisians from northern Holland.