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| 270 |
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| Marcus Aurelius Claudius QUINTILLUS deserted by his troops, he committed suicide and was succeeded by an associate of Claudius Gothicus. | 1 |
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| 270–275 |
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| Lucius Domitius AURELIANUS (Aurelian, b. c. 214?) was rightly entitled “restorer of the world” (restitutor orbis). He abandoned trans-Danubian Dacia and settled its Roman inhabitants in a new Dacia carved out of Moesia. He repulsed the Alamanni from Italy (271) and built the existing walls of Rome (271–276). | 2 |
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| 271–272 |
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| Aurelian and his associate Probus defeated and captured Zenobia and, upon a second revolt, sacked Palmyra (273). | 3 |
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| 273 or 274 |
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| Aurelian recovered Gaul from the successor of Postumus, Tetricus, in a Battle at Châlons. Both Zenobia and Tetricus adorned his magnificent triumph in Rome (274). He was murdered by some officers while preparing to invade Persia (275). | 4 |
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| 275–276 |
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| Marcus Claudius TACITUS, an elderly senator, was appointed emperor against his will by the senate. Though he defeated the Goths and Alans, who had invaded Asia Minor, the troops slew him. | 5 |
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| 276 |
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| Marcus Annius FLORIANUS, brother of Tacitus, was slain soon after assuming the purple. | 6 |
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| 276–282 |
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| Marcus Aurelius PROBUS (b. 232), an Illyrian, was saluted by the eastern armies (276). He repelled from Gaul the Franks and Alamanni and other peoples, who had inflicted great devastation. He also strengthened the Danube frontier, quieted Asia Minor, and suppressed pretenders in Gaul. When the praetorian prefect Carus was proclaimed emperor by the troops in Raetia, Probus was murdered in Pannonia. | 7 |
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| 282–283 |
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| Marcus Aurelius CARUS, an Illyrian (?) and praetorian prefect to Aurelian, succeeded and campaigned successfully against the Persian monarch Bahram (Varahran). He perished in 283, and his son Marcus Aurelius Numerius Numerianus, co-Augustus with him, was murdered (284, autumn). A second son, M. Aurelius Carinus (emperor, 283–285), tried to hold the west against Diocletian, an officer whom the eastern army had elected emperor, but he was slain by his own troops during the battle at the river Margus in Moravia (285, summer?). | 8 |
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