Battle of Tara: The Byzantines defeat the Serbian-Hungarian army under Grdeša, count (župan) of Travunija, near the snow-covered Tara River. The Serbs are overpowered, and Grand Prince Uroš II is forced to accept the peace agreement made by Emperor Manuel I (Komnenos). Uroš is succeeded by his brother Desa, who becomes co-ruler of the Principality of Serbia (until 1153).[1]
Levant
Spring – Joscelin II, count of Edessa, on his way to Antioch is separated from his escort and falls into the hands of some Turcoman free-booters. Nur al-Din, ruler (atabeg) of Aleppo, heard of Joscelin's capture and sends a squadron of cavalry to take him from his captors. Joscelin is led before a hostile crowd and publicly blinded. Nur al-Din puts him in prison in the Citadel of Aleppo.[2]
The city of Ascalon is fortified with 53 towers by order of the 17-year-old Caliph Al-Zafir, as it is the most strategic frontier fortress of the Fatimid Caliphate.[4]
The Irish Chronology (Chronicon Scotorum) is written (approximate date).
By topic
Religion
The 15-year-old King Inge I (the Hunchback) of Norway calls for a meeting at Bergen of all religious leaders in anticipation that the English cardinal Nicholas Breakspear will find an archbishopric at Trondheim.
^Joannes Cinnamus (1976). Deeds of John and Manuel Comnenus, p. 87. Columbia University Press. ISBN978-0-231-52155-0.
^Steven Runciman (1952). A History of The Crusades. Vol II: The Kingdom of Jerusalem, p. 267. ISBN978-0-241-29876-3.
^Smail, R. C. (1956). Crusading Warfare 1097–1193, p. 160. New York: Barnes & Noble Books. ISBN1-56619-769-4.
^Gore, Rick (January 2001). "Ancient Ashkelon". National Geographic.
^Knödler, Julia (2010). Germany: Narrative (1125–1250), p. 178. Clifford J. (ed). The Oxford Encyclopedia of Medieval Warfare and Military Technology, pp. 176–185. New York: Oxford University Press.
^Nobel, Keith Allan (1994). Changing Doctoral Degrees: An International Perspective. Society for Research into Higher Education. ISBN0335192130.
^Joseph Rickaby (1908). Scholasticism. A. Constable. p. 23.