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Millennium:	1st millennium
Centuries:	4th century 5th century 6th century
Decades:	390s 400s 410s 420s 430s
Years:	409 410 411 412 413 414 415

412 by topic
Leaders
Political entities State leaders Religious leaders
Categories
Births Deaths

412 in various calendars
Gregorian calendar	412 CDXII
Ab urbe condita	1165
Assyrian calendar	5162
Balinese saka calendar	333–334
Bengali calendar	−181
Berber calendar	1362
Buddhist calendar	956
Burmese calendar	−226
Byzantine calendar	5920–5921
Chinese calendar	辛亥年 (Metal Pig) 3109 or 2902 — to — 壬子年 (Water Rat) 3110 or 2903
Coptic calendar	128–129
Discordian calendar	1578
Ethiopian calendar	404–405
Hebrew calendar	4172–4173
Hindu calendars
- Vikram Samvat	468–469
- Shaka Samvat	333–334
- Kali Yuga	3512–3513
Holocene calendar	10412
Iranian calendar	210 BP – 209 BP
Islamic calendar	216 BH – 215 BH
Javanese calendar	295–296
Julian calendar	412 CDXII
Korean calendar	2745
Minguo calendar	1500 before ROC 民前1500年
Nanakshahi calendar	−1056
Seleucid era	723/724 AG
Thai solar calendar	954–955
Tibetan calendar	阴金猪年 (female Iron-Pig) 538 or 157 or −615 — to — 阳水鼠年 (male Water-Rat) 539 or 158 or −614

Year 412 (CDXII) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar. At the time, it was known in Europe as the Year of the Consulship of Honorius and Theodosius (or, less frequently, year 1165 Ab urbe condita). The denomination 412 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.

Events

By place

Roman Empire

The Visigoths, led by King Ataulf, move into the south of Gaul. He establishes his residence at Narbonne, and makes an alliance with Emperor Honorius, against the usurper Jovinus.^[1]
Emperor Jovinus elevates his brother Sebastianus as co-emperor (Augustus) and takes control of Gaul.^[1]
Heraclianus, governor (Comes Africae), revolts against Honorius and proclaims himself Augustus. He interrupts the grain supply to Rome. Honorius condemns him and his supporters to death with an edict at Ravenna.
The Theodosian Walls are constructed at Constantinople during the reign of emperor Theodosius II. The work is carried out under supervision of Anthemius, notable praetorian prefect of the East.
Winter – Olympiodorus, historical writer, is sent on an embassy by Honorius, and sails in stormy weather around Greece up the Black Sea, to meet the Huns who are located on the middle Danube (modern Bulgaria).^[2]

Balkans

The forts on the west bank of the Danube, which were destroyed by the Huns, are rebuilt, and a new Danubian fleet is launched.

By topic

Religion

An edict of Honorius outlaws Donatism.
Cyril of Alexandria becomes Patriarch of Alexandria.
Lazarus, bishop of Aix-en-Provence, and Herod, bishop of Arles, are expelled from their sees on a charge of Manichaeism.
Fa-Hien, Chinese Buddhist monk, spends 2 years in Ceylon and is more than 200 days at sea as storms drive his ship off its course, but returns with sacred Buddhist texts back to China (see 414).

Births

February 8 – Proclus, Greek Neoplatonist philosopher (d. 485)
Lu Huinan, empress dowager of the Liu Song Dynasty (d. 466)

Deaths

October 15 – Theophilus, Patriarch of Alexandria
Qifu Gangui, prince of the Xianbei state Western Qin
Sarus, Gothic chieftain
Uldin, chieftain of the Huns
Wang Shen'ai, empress of the Jin Dynasty (born 384)