| B. C. |
| 42. | Julius Cæsar was murdered by Brutus and others in the senate-house. |
| A. D. |
| 15. | Augustus Cæsar died a natural death. |
| 39. | Tiberius was smothered with pillows, at the instigation of Macro, the friend of Caligula. |
| 42. | Caligula was stabbed by Cherea and other conspirators, when retiring from the celebrationof the Palatine games. |
| 55. | Claudius was poisoned by the artifice of his wife Aggrippina. |
| 69. | Nero in the midst of a general revolt was condemned to death by the senate. Upon hearing ofwhich he killed himself with a dagger. |
| 69. | Sergius Galba conspired against by Otho, by whose partisans he was beheaded. |
| 70. | Otho destroyed himself, to avoid further contest with his competitor Vitellius. |
| 70. | Vitellius was massacred by the populace, who threw his dead body into the Tiber. |
| 79. | Vespasian died a natural death. |
| 81. | Titus. It is suspected that his death was hastened by his brother Domitian. |
| 96. | Domitian was murdered by Stephanus and other conspirators. |
| 98. | Nerva died a natural death. |
| 117. | Trajan ditto. |
| 138. | Adrian ditto. |
| 161. | Titus Antoninus, called Antoninus Pius, ditto. |
| 180. | Marcus Aurelius, called Antoninus the Philosopher, ditto. |
| 192. | Commodus was strangled by Narcissus and other conspirators. |
| 192. | Pertinax was murdered by the soldiers. |
| 195. | Didius Julian was beheaded by the soldiers. |
| 211. | Septimus Severus died a natural death. |
| 217. | Caracalla and Geta, joint emperors. Geta was killed by his brother Caracalla, who wasafterwards killed by Martial. |
| 218. | Opillius Macrinus was killed by the partisans of Heliogabalus. |
| 222. | Heliogabalus was murdered by the soldiers, who threw his dead body into the Tiber. |
| 235. | Alexander was beheaded by the soldiers. |
| 238. | Maximin was murdered by his own guards. |
| 238. | Maximus and Balbinus, joint emperors, were both murdered by the prætorian guards. |
| 243. | Gordian was murdered by order of Philip, whom he had associated with him in the command ofthe empire. |
| 248. | Philip was murdered by the soldiers. |
| 251. | Decius destroyed himself, after having been defeated by the Goths. |
| 253. | Gallus was slain in battle, with his competitor Emilianus. |
| 259. | Valerian was taken prisoner by Sapor, king of Persia, who caused him to be cruelly murdered. |
| 268. | Galienus was slain by his own soldiers. |
| 270. | Claudius died a natural death. |
| 275. | Aurelian was murdered by Menesthus and other conspirators. |
| 275. | Tacitus died a natural death. |
| 282. | Probus was murdered by his soldiers. |
| 284. | Carus and his sons, Carinus and Numerian, joint emperors. The father wasstruck dead by lightning, and both his sons were murdered. |
| 304. | Dioclesian and Maximian, joint emperors. Dioclesian resigned the empire, and diedeither by poison or madness. Maximian also resigned, but was afterwards condemned to death by Constantine. |
| 306. | Constantius and | - | | joint emperors, both died a natural death. |
| 311. | Galerius, |
| 343. | Constantine the Great died a natural death. |