Millennia:	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

• 1170 — Thomas à Becket assassinated.
• 1171 — Saladin abolishes the Fatimid caliphate, restoring Sunni rule in Egypt.
• 1179 — Third Council of the Lateran condemns Waldensians and Cathars as heretics; reformation of clerical life.

Significant people