Events Constantine becomes the sole emperor of the Roman Empire. ... Events May 20 - First Council of Nicaea _ first Ecumenical Council of the Christian Church: The Nicene Creed is formulated, the date of Easter is discussed. ... Events September 14 - Discovery of the (alleged) True Cross by Vatican City, where St. ... Events September 1 - start of first indiction cycle Christianity was adopted as a state religion of Georgia. ... Events End of the Han Zhao state. ... Events May 11 - Constantine I refounds Byzantium, renames it New Rome, and moves the capital of the Roman Empire there from Rome. ... Events Gregory the Illuminator withdraws from the world; his death occurs sometime in the next couple of years. ... Events Constantine the Great emperor of the Roman Empire, engaged the Visigoths in battle and was victorious. ... This is a list of decades which have articles with more information about them. ... Centuries: 2nd century - 3rd century - 4th century Decades: 240s - 250s - 260s - 270s - 280s - 290s - 300s - 310s - 320s - 330s - 340s Years: 290 291 292 293 294 295 296 297 298 299 300 Significant people Diocletian, Roman Emperor Maximian, Roman Emperor Categories: 290s ... Centuries: 3rd century - 4th century - 5th century Decades: 250s - 260s - 270s - 280s - 290s - 300s - 310s - 320s - 330s - 340s - 350s 290 300 301 302 303 304 305 306 307 308 309 Significant people Diocletian, Roman Emperor Maximian, Roman Emperor Categories: 300s ... Centuries: 3rd century - 4th century - 5th century Decades: 250s - 260s _ 270s - 290s - 300s - 310s - 320s - 330s - 340s - 350s - 360s Years: 310 311 312 313 314 315 316 317 318 319 Significant people Constantine, Roman Emperor Licinius, Roman Emperor Maximinus, Roman Emperor Categories: 310s ... Centuries: 3rd century - 4th century - 5th century Decades: 270s - 280s _ 290s - 300s - 310s - 320s - 330s - 340s - 350s - 360s - 370s Years: 320 321 322 323 324 325 326 327 328 329 Events: Constantine I of the Roman Empire starts legislating Christian beliefs into civil law. ... Centuries: 3rd century - 4th century - 5th century Decades: 280s - 290s _ 300s - 310s - 320s - 330s - 340s - 350s - 360s - 370s - 380s Years: 330 331 332 333 334 335 336 337 338 339 Events Categories: 330s ... Centuries: 3rd century - 4th century - 5th century Decades: 290s - 300s _ 310s - 320s - 330s - 340s - 350s - 360s - 370s - 380s - 390s Years: 340 341 342 343 344 345 346 347 348 349 Events Ulfilas missionary to the Goths Categories: 340s ... Centuries: 3rd century - 4th century - 5th century Decades: 300s - 310s _ 320s - 330s - 340s - 350s - 360s - 370s - 380s - 390s - 400s Years: 350 351 352 353 354 355 356 357 358 359 360 Events: Categories: 350s ... These pages contain the trends of millennia and centuries. ... (2nd century - 3rd century - 4th century - other centuries) Events The Sassanid dynasty of Persia launches a war to reconquer lost lands in the Roman east. ... (3rd 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. ... (4th century - 5th century - 6th century - other centuries) Events Rome sacked by Visigoths in 410. ...

Events

• May 9: Athanasius is elected bishop of Alexandria

May 9 is the 129th day of the year in the Gregorian Calendar (130th in leap years). ... Athanasius of Alexandria (also spelled Athanasios) (298–May 2, 373) was a Christian bishop, the Patriarch of Alexandria, in the fourth century. ... Antiquity and modernity stand cheek-by-jowl in Egypts chief Mediterranean seaport For other uses, see Alexandria (disambiguation). ...

Births

• Valens, Roman Emperor
• Wong Tai Sin

Arian Valens (328 – August 9, 378) was Roman emperor from 364 until his death, after he was given the Eastern part of the empire by his brother Valentinian I. His father was the general Gratian the Elder. ... Roman Emperor is the title historians use to refer to rulers of the Roman Empire, after the epoch conventionally named the Roman Republic. ... Wong Tai Sin (黃大仙; Pinyin: Huáng Dàxian), literally translates to the Great Immortal Wong. ...

Deaths

• April 17: Alexander I, Patriarch of Alexandria