| content |
| Millennia: | 2nd millennium |
| Centuries: | 11th century - 12th century - 13th century |
| Decades: | 1120s 1130s 1140s - 1150s - 1160s 1170s 1180s |
| Years: | 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 |
| Categories: | Births - Deaths - Architecture Establishments - Disestablishments |
Events and trends
- Peter Lombard writes his Sentences.
- Eric the Saint, king of Sweden led the first Christian crusade to Finland.
