3rd century - 4th century - 5th century
Decades:290s? - 300s - 310s,320s,330s,340s,350s?,360s,370s?,380s,390s
290? 300? 301? 302? 303? 304? 305 306? 307? 308? 309?
decade: 290s? 300s 310s - 4th century