1172
| Years: 1169 1170 1171 - 1172 - 1173 1174 1175 | |
| Decades: 1140s 1150s 1160s - 1170s - 1180s 1190s 1200s | |
| Centuries: 11th century - 12th century - 13th century | |
Events
- Duke Richard of Aquitaine becomes Duke of Poitiers. He later becomes King Richard I of England.
- Pope Gregory VIII hosts the Council of Avranches where Henry II of England is absolved of the sin of murder in the matter of the assassination of Thomas Becket
- The Synod of Cashel ended the Celtic Christian system and brought them under Rome.
Births
- Baldwin I of Constantinople (d. 1205)
- Fujiwara Moroie, last of the Japanese Fujiwara Regents
Deaths
- Agnes, daughter of Italian Count Amadeus III of Savoy