Roman Fort - World History Encyclopedia

The Roman army constructed both temporary and permanent forts and fortified military camps (castrum) across the frontiers of the empire

Roman Army - World History Encyclopedia

Winter AD 121/2 – Hadrian inspects the northern frontiers: part 1

Roman Forts - Historic European Castles

FOLLOWING HADRIAN Frontiers of the Roman Empire

History of Rome - Wikipedia

Hadrian's Wall, Roman History, England, UK

Oppidum - World History Encyclopedia

Gravestone for German Man in Latin (Illustration) - World History

Winter AD 121/2 – Hadrian inspects the northern frontiers: part 1

Roman Siege Warfare - World History Encyclopedia