Pannonia has been the birthplace of several…

Pannonia has been the birthplace of several Roman emperors of the third century, and the province has provided large numbers of troops for the Roman army.

The grave barbarian threat in the fourth century CE forces the Romans to withdraw after 395, from which time Pannonia ceases to exist as a separate unit, its largely Illyrian inhabitants left to the rule of the Ostrogoths, who now move in as an occupying force.