1151

• September 7 – Geoffrey of Anjou dies, and is succeeded by his son Henry, aged 18.{{Cite book|url=https://books.google.com/books?id=BiyyueBTpaMC&q=1151+Geoffrey+of+Anjou&pg=PA206|title=Historical Dictionary of the British Monarchy|last=Panton|first=James|publisher=Scarecrow Press|year=2011|isbn=9780810874978|location=Lanham, MD and Plymouth, UK|pages=205–206|language=en}}{{Cite book|url=https://books.google.com/books?id=ZyaPAgAAQBAJ&q=1151+Geoffrey+of+Anjou&pg=PA47|title=Western Warfare in the Age of the Crusades 1000-1300|last=France|first=John|publisher=Routledge|year=2001|isbn=9781135365073|series=Warfare and History|location=London|pages=47|language=en|orig-year=1999}}{{Cite journal|last=Dutton|first=Kathryn|date=2015-12-01|title=Crusading and political culture under Geoffrey, count of Anjou and duke of Normandy, 1129–51|journal=French History|language=en|volume=29|issue=4|pages=419–444|doi=10.1093/fh/crv014|issn=0269-1191}}
• After the Battle of Ghazni, the city is burned by the Prince of Ghur.{{Cite journal|last=Bombaci|first=Alessio|date=1959|title=Summary report on the Italian Archaeological Mission in Afghanistan. Introduction to the Excavations at Ghazni|journal=East and West|volume=10|issue=1/2|pages=3–22|issn=0012-8376|jstor=29754076}}{{Cite book|url=https://books.google.com/books?id=Dh6jydKXikoC&q=1151+Battle+of+Ghazni&pg=PA392|title=Dictionary of Battles and Sieges: F-O|last=Jaques|first=Tony|publisher=Greenwood Publishing Group|year=2007|isbn=9780313335389|volume=2: F - O|location=Wesport, CT and London|pages=392|language=en}}
• The first plague and fire insurance policy is issued in Iceland.{{Cite news|url=https://www.telegraph.co.uk/news/worldnews/europe/iceland/6043463/Iceland-10-little-known-facts.html|title=Iceland: 10 little-known facts|journal=The Telegraph|date=2009-08-18|access-date=2019-07-04|language=en-GB|issn=0307-1235}}{{Cite journal|date=1975|title=Books and Bookmen|url=https://books.google.com/books?id=dhlVAAAAYAAJ&q=1151+Iceland+insurance|journal=Books and Bookmen|volume=21|pages=ccxliv|via=Google Books}}
• Bolton Abbey is founded in North Yorkshire, England.{{Cite book|url=https://archive.org/details/guidetoriponharr00walb|quote=1151 Bolton Abbey.|title=A Guide to Ripon, Harrogate, Fountains Abbey, Bolton Priory, and Several Places of Interest in Their Vicinity|last=Walbran|first=John Richard|publisher=W. Harrison|year=1851|location=Ripon and London|pages=[https://archive.org/details/guidetoriponharr00walb/page/113 113]–114|language=en}}{{Cite journal|last=F.R.Hist.S.|first=George R. Potter M. A. Ph d F. S. A.|date=2009-12-15|title=A note on the Devonshire papers at Ghatsworth House, Derbyshire|journal=Journal of the Society of Archivists|volume=4|issue=2|pages=124–129|language=en|doi=10.1080/00379817009513947}}{{Cite book|url=https://books.google.com/books?id=PGnetE9YIc0C&q=1151+Bolton+Abbey&pg=PR11|title=Early Yorkshire Charters: Volume 7, The Honour of Skipton|last1=Farrer|first1=William|last2=Clay|first2=Charles Travis|publisher=Cambridge University Press|year=2013|isbn=9781108058308|series=Cambridge Library Collection|volume=7: The Honour of Skipton|location=Cambridge, UK and New York|pages=xi|language=en}}
• Anping Bridge is completed in China's Fujian province. Its total length will not be exceeded until 1846.{{Cite book|url=https://books.google.com/books?id=jJ3MBQAAQBAJ&q=1151+Anping+Bridge&pg=PA915|title=Handbook of International Bridge Engineering|last1=Chen|first1=Wai-Fah|last2=Duan|first2=Lian|publisher=CRC Press|year=2014|isbn=9781439810309|location=Boca Raton, London and New York|pages=915|language=en}}{{Cite book|url=https://books.google.com/books?id=GEhGM6fZeaAC&q=1151+Anping+Bridge&pg=PA36|title=The Emporium of the World: Maritime Quanzhou, 1000-1400|last=Schottenhammer|first=Angela|publisher=BRILL|year=2001|isbn=9789004117730|location=Leiden, Boston, Köln|pages=36–37|language=en}}{{Cite book|url=https://books.google.com/books?id=EeVPT6UAk3EC&q=1151+Anping+Bridge&pg=PA149|title=Ancient Chinese Inventions|last=Deng|first=Yinke|publisher=Cambridge University Press|year=2011|isbn=9780521186926|location=Cambridge, UK and New York|pages=149|language=en}}
• Confronted with internal strife, the commune of Bologna is the first Italian republic to turn to the rule of a podestà, Guido di Ranieri da Sasso (it ends in 1155).{{Cite book|url=https://books.google.com/books?id=ezWd-KsVTuoC&q=1151+Podesta&pg=PA41|title=The City-State in Europe, 1000-1600: Hinterland, Territory, Region|last=Scott|first=Tom|publisher=Oxford University Press|year=2012|isbn=9780199274604|location=Oxford and New York|pages=41|language=en}}{{Cite journal|last=Born|first=Lester K.|date=November 1927|title=What is the Podestà?|journal=American Political Science Review|language=en|volume=21|issue=4|pages=863–871|doi=10.2307/1947600|issn=1537-5943|quote=The first institution of the office of podestà was at Bologna in 1151|jstor=1947600}}

• April 3 – Igor Svyatoslavich, Russian prince (d. 1202){{Cite book|url=https://books.google.com/books?id=_ZUkDQAAQBAJ&q=1151+Igor+Svyatoslavich&pg=PA90|title=Stravinsky and the Russian Traditions, Volume One: A Biography of the Works Through Mavra|last=Taruskin|first=Richard|publisher=University of California Press|year=2016|isbn=9780520293489|location=Berkeley, Los Angeles|pages=90|language=en|orig-year=1996}}{{Cite journal|last1=Romanova|first1=Anna|last2=Yakushenkova|first2=Olesia|date=August 2012|editor-last=Ching Chan|editor-first=Selina|title=Comparative Analysis of the Image of the Stranger in Chinese and Russian Discourse|journal=Proceedings of the 7th Annual Conference of the Asian Studies Association|publisher=Hong Kong Shue Yan University - The Contemporary China Research Center|pages=1160|isbn=978-988-18445-0-7|quote=An example of Igor Svyatoslavich the Brave’s life (1151-1202) is a good example of such types of relations with some nomadic tribes that lived close to the borders of Russian Kingdom.}}{{Cite book|url=https://books.google.com/books?id=yriGbWNAF5EC&q=1151+Igor+Svyatoslavich&pg=PA69|title=Medieval Indian Mindscapes: Space, Time, Society, Man|last=Vanina|first=Eugenia|publisher=Primus Books|year=2012|isbn=9789380607191|location=Delhi, India|pages=69|language=en}}
• May 9 – al-Adid, last Fatimid caliph (d. 1171){{EI2 | last = Wiet | first = G. | author-link = Gaston Wiet | title = al-ʿĀḍid li-Dīn Allāh | volume = 1 | pages = 196–197 | url = http://dx.doi.org/10.1163/1573-3912_islam_SIM_0311}}
• Unkei, Japanese sculptor (d. 1223){{Cite journal|last=Gheorghe|first=Alexandra|date=2012|title=Natsume Sōseki's Yume Jūya ("ten Nights of Dream") and the Anarchetype – a Different Approach|url=https://www.ceeol.com/search/article-detail?id=170275|journal=Interstudia (Revista Centrului Interdisciplinar de Studiu al Formelor Discursive Contemporane Interstud)|language=en|issue=11/1|pages=122–130|issn=2065-3204|quote=the narrator's unexpected meeting with the ancient wood carver, Unkei (1151 – 1223), famous for his sculptures from the temple Tōdai in Nara}}{{Cite book|url=https://books.google.com/books?id=4UkhAAAAQBAJ&q=1151+Unkei&pg=PA983|title=Japanese Biographical Index|last=Wispelwey|first=Berend|publisher=Walter de Gruyter|year=2013|isbn=9783110947984|location=Munich, Germany|pages=983|language=en}}{{Cite book|url=https://books.google.com/books?id=aBHSc2hTfeUC&q=1151+Unkei&pg=PA924|title=The Middle Ages: Dictionary of World Biography|last=Magill|first=Frank N.|publisher=Routledge|year=1998|isbn=9781136593130|location=London and New York|pages=924|language=en}}

• January 13 – Abbot Suger, French statesman and historian (b. c. 1081){{Cite book|url=https://books.google.com/books?id=cxWchgqgCGwC&q=1151+Abbot+Suger&pg=PA4|title=The Royal Abbey of Saint-Denis in the Time of Abbot Suger (1122-1151)|last1=Crosby|first1=Sumner McKnight|last2=Hayward|first2=Jane|last3=Little|first3=Charles T.|last4=Wixom|first4=William D.|publisher=Metropolitan Museum of Art|year=1981|isbn=9780870992612|location=New York|pages=15|language=en}}{{Cite book|url=https://books.google.com/books?id=9OCCCwAAQBAJ&q=1151+Abbot+Suger&pg=PA285|title=Abbot Suger of St-Denis: Church and State in Early Twelfth-Century France|last1=Grant|first1=Lindy|last2=Bates|first2=David|publisher=Routledge|year=1998|isbn=9781317899693|location=London and New York|pages=286–287|language=en}}{{Cite journal|last=Inglis|first=Erik|date=2015-09-01|title=Remembering and Forgetting Suger at Saint-Denis, 1151–1534: An Abbot's Reputation between Memory and History|journal=Gesta|volume=54|issue=2|pages=219–243|doi=10.1086/681955|s2cid=163497330|issn=0016-920X}}
• April 23 – Adeliza of Louvain, queen of Henry I of England (b. 1103){{Cite book|url=https://archive.org/details/dictionarybiogr00philgoog|quote=1151 Adeliza of Louvain.|title=The Dictionary of Biographical Reference: Containing One Hundred Thousand Names, Together with a Classed Index of the Biographical Literature of Europe and America|last=Phillips|first=Lawrence Barnett|publisher=S. Low, Son, & Marston|year=1871|location=London|pages=[https://archive.org/details/dictionarybiogr00philgoog/page/n29 11]|language=en}}{{Cite journal|last=Dalton|first=Paul|date=2007|title=The Date of Geoffrey Gaimar's "Estoire Des Engleis," the Connections of His Patrons, and the Politics of Stephen's Reign|journal=The Chaucer Review|volume=42|issue=1|pages=23–47|issn=0009-2002|quote=A terminus ante quern of 1151 might appear at first sight to be supported by references to Adeliza of Louvain, who died in 1151|jstor=25094383|doi=10.1353/cr.2007.0020}}{{Cite book|url=https://books.google.com/books?id=BiyyueBTpaMC&q=1151+Adeliza+of+Louvain&pg=PA17|title=Historical Dictionary of the British Monarchy|last=Panton|first=James|publisher=Scarecrow Press|year=2011|isbn=9780810874978|location=Lanham, MD and Plymouth, UK|pages=18|language=en}}
• September 7 – Geoffrey V, Count of Anjou (b. 1113){{Cite book|url=https://books.google.com/books?id=jEwu6msBJNkC&q=1151+Geoffrey+Plantagenet&pg=PA128|title=The Appeal to the Original Status: Social Justice in Anjou in the Eleventh Century|last=Teunis|first=H. B.|publisher=Uitgeverij Verloren|year=2006|isbn=9789065509048|location=Hilversum, Netherlands|pages=128|language=en}}{{Cite book|url=https://books.google.com/books?id=X6BEAQAAMAAJ&q=1151+Geoffrey+Plantagenet&pg=PA245|title=Rerum Britannicarum Medii Aevi Scriptores: Or Chronicles and Memorials of Great Britain and Ireland During the Middle Ages|last=Duffus Hardy|first=Thomas|publisher=Longman, Green, Longman, and Roberts|year=1865|volume=II: From A.D. 1066 to A.D. 1200|location=London|pages=245|language=en}}{{Cite journal|last=Keefe|first=Thomas K.|date=1974|title=Geoffrey Plantagenet's Will and the Angevin Succession*|journal=Albion|language=en|volume=6|issue=3|pages=266–274|doi=10.2307/4048247|issn=0095-1390|quote=Count Geoffrey Plantagenet's sudden death in September 1151 came at a most inopportune time for his eighteen-year-old son, Henry.|jstor=4048247}}
• Li Qingzhao, Chinese poet (b. 1084){{Cite book|url=https://books.google.com/books?id=xRNnU-SpDyYC&q=1151+Li+Qingzhao&pg=PA89|title=Women Writers of Traditional China: An Anthology of Poetry and Criticism|last1=Chang|first1=Kang-i Sun|last2=Saussy|first2=Haun|last3=Kwong|first3=Charles Yim-tze|publisher=Stanford University Press|year=1999|isbn=9780804732314|location=Stanford, CA|pages=89|language=en}}{{Cite book|url=https://books.google.com/books?id=QAOUAgAAQBAJ&q=1151+Li+Qingzhao&pg=PT1319|title=Routledge International Encyclopedia of Women: Global Women's Issues and Knowledge|last1=Kramarae|first1=Cheris|last2=Spender|first2=Dale|publisher=Routledge|year=2004|isbn=9781135963156|location=New York and London|pages=1259|language=en|orig-year=2000}}{{Cite book|url=https://archive.org/details/talentedwomenofz0000mann|url-access=registration|quote=1151 Li Qingzhao.|title=The Talented Women of the Zhang Family|last=Mann|first=Susan|publisher=University of California Press|year=2007|isbn=9780520250895|location=Berkeley, Los Angeles, London|pages=[https://archive.org/details/talentedwomenofz0000mann/page/167 167]|language=en}}

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