To navigate the timeline, click and drag it with your mouse, or click on the timeline overview on the bottom.
230 CE
240 CE
250 CE
260 CE
270 CE
280 CE
290 CE
300 CE
235 CE - 284 CE: The Crisis of the Third Century in Rome; period of the Barracks Emperors.
235 CE - 238 CE: Reign of Roman Emperor Maximinus Thrax.
235 CE: Assassination of Alexander Severus and his mother, which begins crisis and period of Barracks Emperors.
238 CE - 244 CE: Reign of Gordian III in Rome.
238 CE: Reign of Gordian I and Gordian II in Rome.
238 CE: Reign of Balbinus and Pupienus in Rome.
244 CE - 249 CE: Reign of Philip the Arab in Rome.
249 CE - 251 CE: Reign of Decius in Rome.
251 CE: Reign of Hostilian in Rome.
251 CE - 253 CE: Reign of Gallus in Rome.
253 CE - 260 CE: Reign of Roman emperor Valerian with his son Gallienus as co-emperor.
253 CE: Reign of Aemilianus in Rome.
253 CE - 268 CE: Reign of Gallienus in Rome.
260 CE - 269 CE: Postumus rules the "breakaway" Gallic Empire.
268 CE - 270 CE: Reign of Claudius Gothicus in Rome.
270 CE - 272 CE: Zenobia rules the "breakaway" Palmyrene Empire.
270 CE - 275 CE: Reign of Roman emperor Aurelian.
271 CE - 274 CE: Tetricus I rules the Gallic Empire until defeated by Aurelian.
275 CE - 276 CE: Reign of Tacitus in Rome.
276 CE: Reign of Florianus in Rome.
276 CE - 282 CE: Reign of Probus in Rome.
282 CE - 283 CE: Reign of Carus in Rome.
283 CE - 285 CE: Reign of Numerian and Carinus in Rome.
284 CE - 305 CE: Reign of Diocletian who resolves the Crisis of the Third Century and eventually divides the Roman Empire for easier management.