Centuries: 2nd century - 3rd century - 4th century
Decades: 230s - 240s - 250s - 260s - 270s - 280s - 290s - 300s - 310s - 320s - 330s
Years: 280 281 282 283 284 285 286 287 288 289
Events:
... dwarfism[?] Achromatopsia incomplete, X-linked[?] Achromatopsia Acid maltase deficiency[?] Acidemia, isovaleric[?] Acidemia, propionic[?] Acitreti ...