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| Years: 218 219 220 221 - 222 - 223 224 225 226 | |
| Decades: 190s 200s 210s - 220s - 230sCenturies: 2nd century 3rd century 4th century Decades: 180s 190s 200s 210s 220s 230s 240s 250s 260s 270s 280s Years: 230 231 232 233 234 235 236 237 238 239 Events Alexander Severus is slain in a mutiny led by Maximinus Thrax, ending the Severan Dynasty 240sCenturies: 2nd century 3rd century 4th century Decades: 190s 200s 210s 220s 230s 240s 250s 260s 270s 280s 290s Years: 240 241 242 243 244 245 246 247 248 249 Events Crisis of the Third Century Significant people Gordian III, Roman Emperor Philip the Arab, 250sCenturies: 2nd century 3rd century 4th century Decades: 200s 210s 220s 230s 240s 250s 260s 270s 280s 290s 300s Years: 250 251 252 253 254 255 256 257 258 259 Events Crisis of the Third Century End of Yayoi era and beginning of Kofun period, the first part | |
| CenturiesMillennia These pages contain the trends of millennia and centuries. The individual century pages contain lists of decades and years. See history for different organizations of historical events. See Calendar and List of calendars for other groupings of y: 2nd century1st century 2nd century 3rd century other centuries) Events Roman Empire governed by the Five Good Emperors' ( 96 180) Nerva, Trajan, Hadrian, Antoninus Pius, Marcus Aurelius. Significant persons Cai Lun, Chinese inventor Galen, medical writer Saint Irena - 3rd century2nd century 3rd century 4th century other centuries) Events The Sassanid dynasty of Persia launches a war to reconquer lost lands in the Roman east. 230 232 AD). Crisis of the Third Century shakes Roman Empire Emperor Valerian I is taken captive by the Pe - 4th century3rd century 4th century 5th century other centuries) As a means of recording the passage of time, the 4th century was that century which lasted from 301 to 400. Events Definitive declaration of biblical canon: Council of Carthage Demotic is replaced by Gr | |