1170
| Years: 1167 1168 1169 - 1170 - 1171 1172 1173 | |
| Decades: 1140s 1150s 1160s - 1170s - 1180s 1190s 1200s | |
| Centuries: 11th century - 12th century - 13th century | |
Events
- December 29: Assassination of Thomas Beckett, Archbishop of Canterbury, in Canterbury cathedral
- City of Dublin captured by the Normans
Births
- Isabelle of Hainaut, queen of Philip II of France (d. 1190)
Deaths
- November 28 - Owain Gwynedd, most powerful of the Welsh princes