350

350 (CCCL) was a common year starting on Monday of the Julian calendar, the 350th year of the Common Era (CE) and Anno Domini (AD) designations, the 350th year of the 1st millennium, the 50th year of the 4th century, and the 1st year of the 350s decade. As of the start of 350, the Gregorian calendar was 1 day ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	1st millennium
Centuries:	3rd century – 4th century – 5th century
Decades:	320s  330s  340s  – 350s –  360s  370s  380s
Years:	347 348 349 – 350 – 351 352 353

350 in other calendars

Gregorian calendar	350 CCCL
Ab urbe condita	1103
Assyrian calendar	5100
Balinese saka calendar	271–272
Bengali calendar	−243
Berber calendar	1300
Buddhist calendar	894
Burmese calendar	−288
Byzantine calendar	5858–5859
Chinese calendar	己酉年 (Earth Rooster) 3046 or 2986     — to — 庚戌年 (Metal Dog) 3047 or 2987
Coptic calendar	66–67
Discordian calendar	1516
Ethiopian calendar	342–343
Hebrew calendar	4110–4111
Hindu calendars
- Vikram Samvat	406–407
- Shaka Samvat	271–272
- Kali Yuga	3450–3451
Holocene calendar	10350
Iranian calendar	272 BP – 271 BP
Islamic calendar	280 BH – 279 BH
Javanese calendar	232–233
Julian calendar	350 CCCL
Korean calendar	2683
Minguo calendar	1562 before ROC 民前1562年
Nanakshahi calendar	−1118
Seleucid era	661/662 AG
Thai solar calendar	892–893
Tibetan calendar	阴土鸡年 (female Earth-Rooster) 476 or 95 or −677     — to — 阳金狗年 (male Iron-Dog) 477 or 96 or −676

Magnus Magnentius

Events

By place

Roman Empire

• January 18 – Emperor Constans I is very unliked. Magnus Magnentius is made emperor at Autun (Gaul).
• January – Constans I runs away to Spain. He is killed. Magnentius rules the Western Roman Empire. He is nicer to Christians and Pagans.
• March 1 – Vetranio is asked by Constantina to make himself Caesar. Constantius accepts the new emperor.
• June 3 – Iulius Nepotianus, Roman usurper, calls himself "emperor". He enters Rome with a group of gladiators.
• June 30 – Nepotianus is defeated and killed by Marcellinus.
• December 25 – Vetranio meets Constantius II at Naissus (Serbia). He is forced to give up his title.

Asia

• About this time the Huns begin to invade the Sassanid Empire.
• The city of Anbar (Iraq) is founded by king Shapur II.
• The Wei-Jie war breaks out in North China.

By topic

Art

• The church of Santa Constanza in Rome is finished.

Births

• Honoratus, archbishop of Arles (approximate date)
• Hypatia of Alexandria, female Neoplatonist philosopher (approximate date)
• Murong Wei, emperor of the Xianbei state Former Yan (d. 385)
• Plutarch of Athens, Greek philosopher (approximate date)
• Theodore of Mopsuestia, bishop and theologian (approximate date)
• Zhang Xuanjing, ruler of the Chinese state Former Liang (d. 363)

Deaths

• Constans I, Roman Emperor
• Eutropia, mother of Nepotianus
• June 30 – Nepotianus, Roman usurper
• Shi Jian, emperor of the Jie state Later Zhao