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1st century in Roman Britain
2nd century in Roman Britain
3rd century in Roman Britain
4th century in Roman Britain
Brycheiniog
Diocese of Moesia
Gaius Cassius Longinus (consul 171 BC)
Glywysing
Kingdom of Ceredigion
Kingdom of Dyfed
Kingdom of Gwent
Kingdom of Strathclyde
Lucius Julius Libo
Moesia Prima
Salvius Julianus