The Roman Empire in AD 192 The empire at the death of Commodus
Withdrawal from Assyria, Mesopotamia and Armenia - AD 117
Withdrawal from parts of eastern and western Dacia - AD 117
Division of Dacia into Dacia Superior and Dacia Inferior - under Hadrian
Establishment of Hadrian's Wall as frontier in north of England - AD 122
Division of Dacia Superior into D.Porolissensis and D.Apulensis - under Hadrian or Antoninus Pius
Establishment of the 'Antonine Wall' as frontier in Scotland - AD 142
Withdrawal from 'Antonine Wall' back to 'Hadrian's Wall' - prior to AD 161
Conquest of Mesopotamia; extent unknown, followed by immediate or gradual withdrawal - AD 166
Dacia returned to being one province - ca. AD 168
Conquest of some lands of the Quadi and Marcomanni north of Danube, extent unknown - ca.171-180
Withdrawal from the lands of Quadi and Marcomanni north of Danube - AD 180
