|Ab urbe condita||1884|
|Balinese saka calendar||1052–1053|
|English Regnal year||31 Hen. 1 – 32 Hen. 1|
|Chinese calendar||庚戌年 (Metal Dog)|
3827 or 3767
— to —
辛亥年 (Metal Pig)
3828 or 3768
|- Vikram Samvat||1187–1188|
|- Shaka Samvat||1052–1053|
|- Kali Yuga||4231–4232|
|Japanese calendar||Daiji 6 / Tenshō 1|
|Minguo calendar||781 before ROC|
|Seleucid era||1442/1443 AG|
|Thai solar calendar||1673–1674|
1257 or 876 or 104
— to —
1258 or 877 or 105
|Wikimedia Commons has media related to 1131.|
- Ramon Berenguer IV becomes Count of Barcelona.
- Between 1131 and 1136 – Theotokos of Vladimir arrives in Kiev.
- The Knights Templar found their first stronghold, in the Kingdom of Aragon.
Arts and cultureEdit
- May 9 – Tintern Abbey is founded.
- The Council of Rheims is held.
- Alberich becomes Archdeacon of Reims.
- January 7 – Duke Canute Lavard of Schleswig and Holstein, and ruler of the Obotrite Confederation, German saint (b. 1096)
- April 30 – Saint Adjutor, French Crusader
- August 21 – King Baldwin II of Jerusalem
- August 30 – Hervey le Breton, bishop of Bangor and Ely
- November 16 – Dobrodeia of Kiev, Ru's and Byzantine princess and scholar
- December 4 – Omar Khayyám, Persian poet, astronomer, mathematician, and philosopher (b. 1048)
- Alger of Liège, French monk at Cluny (b. 1055)
- Bohemund II of Antioch (b. 1108)
- Gaston IV of Béarn, French vassal
- Joscelin I, Count of Edessa, Crusader state ruler
- Meng, Chinese empress regent (b. 1073)
- Peter the Hermit, French priest and crusader (b. c. 1050)
- Ramon Berenguer III, Count of Barcelona (b. 1082)
- King Stephen II of Hungary (b. 1101)