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

Magnus Magnentius

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.

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

350 Media

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  Nepotianus died on June 30, 350