For other uses, see number 284.

Years: 280 281 282 283 - 284 - 285 286 287 288

Decades: 250s 260s 270s - 280s - 290s 300s 310s

Centuries: 2nd century - 3rd century - 4th century 284 (number)

Events

• November 20 - Diocletian becomes Emperor of Rome
• Patriarch Rufinus I succeeds Patriarch Dometius as Patriarch of Constantinople
• Year 1 of the Coptic calendar (or 285)
• The Bagaudae revolt against the Roman Empire in Gaul.

Births

Deaths

• November - Numerian, Roman emperor
• Diophantus, Greek mathematician (approximate date)

af:284 bg:284 ca:284 de:284 es:284 eo:284 eu:284 fr:284 ko:284년 hr:284 it:284 lb:284 nl:284 no:284 pl:284 pt:284 ro:284 ru:284 sl:284 sr:284 sv:284 uk:284 zh:284年