- 1157
Events
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January 12 –March 16 - CaliphAl-Muqtafi Successfully defendedBaghdad 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 theMargraviate ofBrandenburg ,Germany and the firstMargrave .
*August 21 - Sancho III and Ferdinand II, the sons of KingAlfonso VII of Castile , divide his kingdom between them upon his death.
*October 23 —Battle of Grathe Heath : A civil war inDenmark ends with the death of KingSweyn 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).Births
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September 8 — KingRichard I of England (d.1199 )
* Leopold V of Austria (d.1194 )
*Hōjō Masako , wife ofMinamoto no Yoritomo (d.1225 )Deaths
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May 15 —Yury Dolgoruky , Russian prince (b. c.1099 )
*August 21 — KingAlfonso VII of Castile (b.1105 )
*Agnes of Babenberg , daughter of Leopold III of Austria (b. 1111)
* KingEystein II of Norway (b. c.1125 )
* KingSweyn III of Denmark (b. c.1125 )
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