1157

This article is about the year 1157.

Millennium:	2nd millennium
Centuries:	11th century – 12th century – 13th century
Decades:	1120s  1130s  1140s  – 1150s –  1160s  1170s  1180s
Years:	1154 1155 1156 – 1157 – 1158 1159 1160

1157 by topic

Politics

State leaders – Sovereign states

Birth and death categories

Births – Deaths

Establishments and disestablishments categories

Establishments – Disestablishments

Art and literature

1157 in poetry

1157 in other calendars

Gregorian calendar	1157 MCLVII
Ab urbe condita	1910
Armenian calendar	606 ԹՎ ՈԶ
Assyrian calendar	5907
Bengali calendar	564
Berber calendar	2107
English Regnal year	3 Hen. 2 – 4 Hen. 2
Buddhist calendar	1701
Burmese calendar	519
Byzantine calendar	6665–6666
Chinese calendar	丙子年 (Fire Rat) 3853 or 3793     — to — 丁丑年 (Fire Ox) 3854 or 3794
Coptic calendar	873–874
Discordian calendar	2323
Ethiopian calendar	1149–1150
Hebrew calendar	4917–4918
Hindu calendars
- Vikram Samvat	1213–1214
- Shaka Samvat	1079–1080
- Kali Yuga	4258–4259
Holocene calendar	11157
Igbo calendar	157–158
Iranian calendar	535–536
Islamic calendar	551–552
Japanese calendar	Hōgen 2 (保元２年)
Julian calendar	1157 MCLVII
Korean calendar	3490
Minguo calendar	755 before ROC 民前755年
Seleucid era	1468/1469 AG
Thai solar calendar	1699–1700

Year 1157 (MCLVII) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.

Events

• January 12–March 16 – Caliph Al-Muqtafi successfully defended Baghdad against the coalition forces of Sultan Muhammad of Hamadan, and Atabeg Qutb-adin of Mosul
• Albert I of Brandenburg begins his ruthless program to pacify the Slavic region.
• June 11 – Albert I of Brandenburg, also called, The Bear (Ger: Albrecht der Bär), becomes the founder of the Margraviate of Brandenburg, Germany and the first Margrave.
• August 21 – Sancho III and Ferdinand II, the sons of King Alfonso VII of Castile, divide his kingdom between them upon his death.
• October 23 – Battle of Grathe Heath: A civil war in Denmark ends with the death of King Sweyn III. Valdemar I of Denmark becomes king of all Denmark and restores and rebuilds the country.
• Henry II of England grants a charter to the merchants of Lincoln (approximate date).
• Henry II of England invades Wales and is defeated at the Battle of Ewloe by Owain Gwynedd.

• Nur ad-Din Zengi besieged the Knights Hospitaller in the crusader fortress of Banyas, routed a relief army led by King Baldwin III of Jerusalem, and took Grand Master Bertrand de Blanquefort prisoner.

Births

• September 8 – King Richard I of England (d. 1199)
• Alexander Neckham (d. 1217)
• Leopold V of Austria (d. 1194)

Deaths

• January 25 – Agnes of Babenberg, daughter of Leopold III of Austria (b. 1111)
• May 8 – Ahmed Sanjar, Great Seljuk Sultan (b. 1084 or 1086)
• May 15 – Yury Dolgoruky, Russian prince (b. c. 1099)
• August 21 – King Alfonso VII of Castile (b. 1105)
• October 23 – King Sweyn III of Denmark (b. c. 1125) (in battle)
• date unknown – King Eystein II of Norway (b. c. 1125)