1150s

Millennium:	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.
The Synod of Kells-Mellifont established the present diocesan system of Ireland (with later modifications) and recognzed the primacy of Armagh.

Categories: 1150s