The Julio-Claudian Dynasty
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Augustus 16 Jan 27 BCE - 19 Aug 14 CE
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Tiberius 18 Sep 14 CE - 16 Mar 37 CE
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Caligula 18 Mar 37 CE - 24 Jan 41 CE
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Claudius 25 Jan 41 CE - 13 Oct 54 CE
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Nero 13 Oct 54 CE - 11 Jun 68 CE
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Galba 8 Jun 68 CE - 15 Jan 69 CE
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Otho 15 Jan 69 CE - 16 Apr 69 CE
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Vitellius 17 Apr 69 CE - 20 Dec 69 CE
The Flavian Dynasty
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Vespasian 26 Dec 69 CE - 23 Jun 79 CE
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Titus 24 Jun 79 CE - 13 Sep 81 CE
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Domitian 14 Sep 81 CE - 18 Sep 96 CE
The Adoptive Emperors
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Nerva 18 Sep 96 CE - 27 Jan 98 CE
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Trajan 28 Jan 98 CE - 7 Aug 117 CE
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Hadrian 11 Aug 117 CE - 10 Jul 138 CE
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Antoninus Pius 10 Jul 138 CE - 9 Mar 161 CE
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Marcus Aurelius 7 Mar 161 CE - 17 Mar 180 CE
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Commodus 17 Mar 180 CE - 31 Dec 192 CE
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Pertinax 1 Jan 193 CE - 28 Mar 193 CE
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Didius Julianus 28 Mar 193 CE - 1 Jun 193 CE
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Pescennius Niger 193 CE - 194 CE
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Clodius Albinus 193 CE - 197 CE
The Severan Dynasty
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Septimius Severus 9 Apr 193 CE - 4 Feb 211 CE
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Geta 211 CE - 212 CE
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Caracalla Dec 211 CE - 8 Apr 217 CE
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Macrinus 11 Apr 217 CE - 8 Jun 218 CE
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Elagabalus 8 Jun 218 CE - 11 Mar 222 CE
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Alexander Severus 13 Mar 222 CE - 18 Mar 235 CE
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Maximinus Thrax Mar 235 CE - May 238 CE
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Gordian I 238 CE
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Gordian III 238 CE - 244 CE
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Philip the Arab 244 CE - 249 CE
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Decius 249 CE - 251 CE
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Trebonianus Gallus 251 CE - 253 CE
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Valerian 253 CE - 260 CE
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Gallienus 253 CE - 268 CE
The Gallic Emperors
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Postumus 259 CE - 268 CE
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Victorinus 268 - 270 CE
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Tetricus 270 CE - 273 CE
The Illyrian Emperors
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Claudius II Gothicus 268 CE - 270 CE
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Aurelian Sep 270 CE - c. Sep 275 CE
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Tacitus 275 CE - 276 CE
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Probus 276 CE - 282 CE
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Carus 282 CE - 283 CE
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Numerian 283 CE - 284 CE
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Carinus 283 CE - 285 CE
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Diocletian 284 CE - 305 CE
The Tetrarchy
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Constantius 305 - 306 CE (West)
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Galerius 305 CE - 311 CE (East)
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Maxentius 306 CE -312 CE (West)
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Licinius 308 CE - 324 CE (East)
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Constantine I 306-337 CE