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Period: 27 BCE to 14
Augustus
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Period: 96 to 180
Pentiarchy
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Period: 235 to 284
Third Century
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Period: 284 to 330
Diocletian
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Period: 330 to 395
Constantine
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Period: 476 to 552
Barbarians
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Period: 552 to 797
Justinian
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Period: 797 to 800
Irene
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Period: 800 to 900
Charlemagne