Centuries: 1st century - 2nd century - 3rd century
Decades: 130s 140s 150s 160s 170s - 180s - 190s 200s 210s 220s 230s
Years: 180 181 182 183 184 - 185 - 186 187 188 189 190
- Perennis, his family and many others are executed for conspiring against Commodus.
- Irenaeus writes that there are only four Gospels (approximate date).
- S. Datus, bishop of Ravenna (martyred)