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210 CE
220 CE
230 CE
240 CE
250 CE
260 CE
270 CE
280 CE
214 CE - 275 CE: Life of Aurelian, Roman emperor.
235 CE - 284 CE: The Crisis of the Third Century in Rome; period of the Barracks Emperors.
270 CE: Zenobia breaks away from Roman Empire to found Palmyrene Empire.
270 CE - 275 CE: Reign of Roman emperor Aurelian.
271 CE: Aurelian defends the Roman Empire against Juthungi, Alamanni, and Marcomanni incursions.
271 CE - 274 CE: Tetricus I rules the Gallic Empire until defeated by Aurelian.
272 CE - 273 CE: Aurelian successfully campaigns against Palmyra.
272 CE: The Battle of Immae between the Roman forces under Aurelian and the Palmyrenes under Zenobia in which Rome triumphed.
272 CE: Aurelian defeats Zenobia at the Battle of Emesa; Palmyrene Empire falls to Rome.
273 CE: Zenobia is defeated by Aurelian and brought to Rome.
274 CE: Aurelian defeats the forces of Tetricus I at the Battle of Chalons; Gallic Empire falls to Rome.