1170s
The 1170s was a decade that started on 1 January 1170 and ended on 31 December 1179. It is distinct from the decade known as the 118th decade which began on January 1, 1171. and ended on December 31, 1180.
| Millennium: | 2nd millennium |
| Centuries: | 11th century – 12th century – 13th century |
| Decades: | 1140s 1150s 1160s – 1170s – 1180s 1190s 1200s |
| Years: | 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 |
| Categories: | Births – Deaths – Architecture Establishments – Disestablishments |
Events and trends[change | change source]
- 1170 – Assassination of Thomas à Becket
- 1171 – Saladin ends the Islamic ruling of Fatimid, bringing back Sunni rule in Egypt.
- 1179 – Third Council of the Lateran condemns Waldensians and Cathars as heretics (people who turn away from certain religious beliefs); reformation of clerical life