AD 311

Year 311 (CCCXI) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Valerius and Maximinus (or, less frequently, year 1064 Ab urbe condita). The denomination 311 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Millennium:	1st millennium
Centuries:	3rd century 4th century 5th century
Decades:	290s 300s 310s 320s 330s
Years:	308 309 310 311 312 313 314

311 in various calendars

Gregorian calendar	311 CCCXI
Ab urbe condita	1064
Assyrian calendar	5061
Balinese saka calendar	232–233
Bengali calendar	−282
Berber calendar	1261
Buddhist calendar	855
Burmese calendar	−327
Byzantine calendar	5819–5820
Chinese calendar	庚午年 (Metal Horse) 3007 or 2947     — to — 辛未年 (Metal Goat) 3008 or 2948
Coptic calendar	27–28
Discordian calendar	1477
Ethiopian calendar	303–304
Hebrew calendar	4071–4072
Hindu calendars
- Vikram Samvat	367–368
- Shaka Samvat	232–233
- Kali Yuga	3411–3412
Holocene calendar	10311
Iranian calendar	311 BP – 310 BP
Islamic calendar	321 BH – 320 BH
Javanese calendar	191–192
Julian calendar	311 CCCXI
Korean calendar	2644
Minguo calendar	1601 before ROC 民前1601年
Nanakshahi calendar	−1157
Seleucid era	622/623 AG
Thai solar calendar	853–854
Tibetan calendar	阳金马年 (male Iron-Horse) 437 or 56 or −716     — to — 阴金羊年 (female Iron-Goat) 438 or 57 or −715

Domitius Alexander

Events

Roman Empire

• April 30 – Emperor Galerius declares on his deathbed religious freedom, and issues his Edict of Toleration, ending persecution of Christians in the Eastern part of the Roman Empire.
• May 5 – Emperor Galerius dies, age 51, from a gruesome disease, possibly bowel cancer or Fournier gangrene.
• Maximinus Daza divides the Eastern Empire between himself and co-emperor Licinius, and mobilises his army for a campaign in Asia Minor. He recommences the persecution of Christians.
• Maxentius, Roman usurper, reconquers the African provinces from Domitius Alexander.
• Maxentius builds the Circus of Maxentius near the Via Appia. The circus is 513 meters long and 91 meters wide, and offers an accommodation to some 10,000 people.
• December 3 – Diocletianus dies at his palace in Split (Croatia), possibly committing suicide.

China

• Jin Huaidi, emperor of the Jin dynasty, is captured at Luoyang. The capital city is pillaged by Liu Cong, ruler of the Xiongnu state (Huns); the invaders slaughter 30,000 citizens.

Religion

• July 2 – Pope Miltiades succeeds Pope Eusebius as the 32nd pope.
• The Donatist schism occurs in the African church.

Deaths

• November 25 – Saint Peter, Patriarch of Alexandria (martyred)
• December 3 – Diocletian, Roman Emperor (b. 244)
• Domitius Alexander, Roman usuper (approximate date)
• Gaius Galerius Valerius Maximianus, Roman emperor
• Sima Yue, prince and regent of the Jin dynasty

References