284

Alternate uses, see Number 284

Decades: 230s 240s 250s 260s 270s - 280s - 290s 310s 320s 330s 340s

Years: 279 280 281 282 283 - 284 - 285 286 287 288 289

Table of contents

1 Events 2 Births 3 Deaths

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.

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