There seems to be a mistake in the Roman Empire Hegemony title.

Marcus Aurelius Antoninus later known as Elegabalus is ADDRESSED and has a model of a WOMAN in the title history of the Roman Empire.

https://en.wikipedia.org/wiki/Elagabalus

They also might have the death date 2 days short.

Kingdom of Pannonia is also treated as Kingdom of Hungary during the 867 start date for it's history,Attila is also not listed despite his base of power beign in Pannonia!