|Ab urbe condita||1905|
|Balinese saka calendar||1073–1074|
|English Regnal year||17 Ste. 1 – 18 Ste. 1|
|Chinese calendar||辛未年 (Metal Goat)|
3848 or 3788
— to —
壬申年 (Water Monkey)
3849 or 3789
|- Vikram Samvat||1208–1209|
|- Shaka Samvat||1073–1074|
|- Kali Yuga||4252–4253|
|Japanese calendar||Ninpei 2|
|Minguo calendar||760 before ROC|
|Seleucid era||1463/1464 AG|
|Thai solar calendar||1694–1695|
1278 or 897 or 125
— to —
1279 or 898 or 126
|Wikimedia Commons has media related to 1152.|
- The Almohad Dynasty conquers the Maghrib al-Awsat, nowadays Algeria. Béjaïa becomes one of the main naval bases of the dynasty.
- The Normans control most of the coast of Ifriqiya, nowadays Tunisia.
- Aladdin of Ghur sacks Ghazni, and destroys the Ghaznavid Empire.
- March 31 – King Baldwin III of Jerusalem exiles his mother Melisende, with whom he has been jointly reigning, to Nablus.
- March 4 – Frederick I Barbarossa is elected King of the Germans.
- May 18 – Eleanor of Aquitaine marries Henry of Anjou, after getting her previous marriage to Louis VII annulled. Henry had claimed the County of Anjou, the County of Maine, and the province of Touraine upon the death of his father Geoffrey Plantagenet, Count of Anjou, the previous year. With the addition of Eleanor's lands, he now controls territory stretching unbroken, from Cherbourg to Bayonne.
- The Church of Ireland acknowledges the Pope's authority.
- The Archbishopric of Nidaros (Trondheim), Norway is established.
- The town of Gorodets (modern Russia) is founded by Prince Yuri Dolgorukiy.
- Synod of Kells-Mellifont: The present diocesan system of Ireland is established (with later modifications), and the primacy of Armagh is recognized.
- Geoffrey, illegitimate son of Henry II of England (approximate date; d. 1212)
- Taira no Tomomori, Japanese soldier (d. 1185)
- Han Tuozhou, Song Dynasty Chinese statesman (d. 1207)
- Maria Komnene, Byzantine princess (d. 1182)
- Roman the Great, "autocrat of the entire Rus", founder and prince of Halych-Wolyn Rus (future Kingdom of Ruthenia Minor), founder of the Romanovichi genus of the Rurikovichi Dynasty
- February 15 – Conrad III of Germany (b. 1093)
- May 3 – Matilda of Boulogne, sovereign Countess of Boulogne and queen of Stephen of England (b. 1105)
- June 12 – Henry of Scotland, 3rd Earl of Huntingdon (b. 1114)
- October 12 – Adolf III of Berg (b. 1080)
- October 24 – Jocelin of Soissons, French theologian, philosopher and composer
- date unknown – Raymond II, Count of Tripoli (b. c. 1115)
- Picard, Christophe (1997). La mer et les musulmans d'Occident VIIIe-XIIIe siècle. Paris: Presses Universitaires de France.
- King John by Warren. Published by the University of California Press in 1961. p. 21