284

Millennium:	1st millennium
Centuries:	2nd century – 3rd century – 4th century
Decades:	250s  260s  270s  – 280s –  290s  300s  310s
Years:	281 282 283 – 284 – 285 286 287

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Emperor Diocletianus

Year 284 (CCLXXXIV) was a leap year starting on Tuesday of the Julian calendar.

Roman Empire

• The Bagaudae, a group of peasants, revolt in Gaul against the Roman Empire. The Dardani, a region in Illyria, becomes a Roman province.
• Emperor Numerian travels through Bithynia (Asia Minor). He is murdered on his way home to Rome.
• November 20 – Gaius Aurelius Valerius Diocletianus, age 39, is made emperor.
• Sabinus Julianus, Roman usurper against Emperor Carinus, revolts in Pannonia. He attacks northern Italy and makes himself emperor.
• Winter – Diocletianus moves with his army across the Balkans.

Religion

• Patriarch Rufinus I succeeds Patriarch Dometius as Patriarch of Constantinople.

Births

• Jin Huidi, Chinese emperor of the Jin Dynasty (d. 313)

Deaths

• Diophantus, Greek mathematician (approximate date)
• Marcus Aurelius Numerian, Roman Emperor
• Sun Hao, last emperor of the Kingdom of Wu (b. 242)
• Xin Xianying, daughter of Xin Pi (b. 205)