1150
| Years: 1147 1148 1149 - 1150 - 1151 1152 1153 | |
| Decades: 1120s 1130s 1140s - 1150s - 1160s 1170s 1180s | |
| Centuries: 11th century - 12th century - 13th century | |
- Åhus, Sweden gains city privileges
- City of Airdrie, Scotland founded
- King Sverker I of Sweden is deposed and succeeded by Eric IX of Sweden.
- Albrecht the Bear inhabits Brandenburg
- Peter the Lombard publishes Sentences
- University of Paris, now known as the Sorbonne, founded
- During Crusades, city of Ashkelon fortified with 53 towers by Fatimid rulers
- Earl of Bedford created
- Cubbie Roo's Castle built on Wyre, Orkney
- Mersey Ferry begins running between Liverpool and Birkenhead
- Neuruppin city founded in Brandenburg, Germany
- Rinteln city founed in Lower Saxony, Germany
- Middle Dutch begins to be spoken in what is now Benelux
- Joscelin II of Edessa taken prisoner during Second Crusade
- Earliest textual reference made to Gypsies working as musicians (in Constantinople)
- Castle Rising built in Norfolk, England by William d'Albini, Earl of Arundel
- Garcia IV Ramirez ends reign as King of Navarre
- Bishopric of Aberdeen established
- Rosamund Clifford, mistress of Henry II of England (circa)
- Stephen Langton, Archbishop of Canterbury, who first "chaptered" Bible (circa)
- William de Braose, 4th Lord of Bramber (circa)
- Suryavarman II, Khmer king, builder of Angkor Wat
- Pribislav, last king of the Wends