#3: Uproots 3
The little horn power uprooted 3 kingdoms (horns) while rising to power in the early post-Roman Empire.
These 3 are known to be:
Heruli 493 AD
Vandals 534 AD
Ostrogoths 538 AD
* It was the Byzantine General Belisarius who dealt the final blow to the Arian brand of Christianity making Catholicism the official Christian brand in the post-Roman territory. This was on behalf of the "Papacy".
And of the ten horns that were in his head,
and of the other which came up,
and before whom three fell...
Daniel 7:20