1150s

The 1150s was a decade of the Julian Calendar which began on January 1, 1150, and ended on December 31, 1159.

Millennium:	2nd millennium
Centuries:	11th century 12th century 13th century
Decades:	1130s 1140s 1150s 1160s 1170s
Years:	1150 1151 1152 1153 1154 1155 1156 1157 1158 1159
Categories:	Births Deaths By country By topic Establishments Disestablishments

Events

1150

By place

Byzantine Empire

• 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]
• Battle of Aintab: A Crusader army led by King Baldwin III reppels the attacks of Nur al-Din near Aintab. Baldwin safely evacuates the Christian residents of the County of Edessa, which is captured by the Zangids.[3]
• The city of Ashkelon 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]

Europe

• February 8 – Battle of Flochberg: German forces under Henry VI defeat the army of the House of Welf at Bopfingen. At the same time, King Conrad III besieges Welf forces at Braunschweig in Saxony, but he lifts the siege when confronted by Henry the Lion.[5]
• The University of Paris (known as the Sorbonne) is founded. The first doctorate degree is awarded in Paris.[6]
• The city of Rinteln is founded on the northern bank of the Weser River in Lower Saxony (modern Germany).

England

• November 10 – Dryburgh Abbey located in the Scottish Borders is founded by Lord Hugh de Morville.
• Cubbie Roo's Castle is built on Wyre (Orkney Islands) and is first mentioned in the Orkneyinga Saga.
• Christchurch Priory located in Dorset is founded by Earl Baldwin de Redvers.
• The Irish Chronology (Chronicon Scotorum) is written (approximate date).

Asia

• King Suryavarman II dies after a reign of more than 40 years in which he has re-united his realm. During his reign he expands his territories into the Chao Phraya River valley and other regions in Khmer Empire.

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 found a archbishopric at Trondheim.
• Peter Lombard, a French scholastic theologian, publishes the Four Books of Sentences, which becomes the standard textbook of theology at the medieval universities.[7]
• The temple at Angkor Wat ("Capital of Temples") is completed in the Khmer Empire (modern Cambodia).

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Significant people

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References

1. Joannes Cinnamus (1976). Deeds of John and Manuel Comnenus, p. 87. Columbia University Press. ISBN 978-0-231-52155-0.
2. Steven Runciman (1952). A History of The Crusades. Vol II: The Kingdom of Jerusalem, p. 267. ISBN 978-0-241-29876-3.
3. Smail, R. C. (1956). Crusading Warfare 1097–1193, p. 160. New York: Barnes & Noble Books. ISBN 1-56619-769-4.
4. Gore, Rick (January 2001). "Ancient Ashkelon". National Geographic.
5. 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.
6. Nobel, Keith Allan (1994). Changing Doctoral Degrees: An International Perspective. Society for Research into Higher Education. ISBN 0335192130.
7. Joseph Rickaby (1908). Scholasticism. A. Constable. p. 23.