* 1150s – Bhaskara calculates the planetary mean motion, ellipses, first visibilities of the planets, the lunar crescent, the seasons, and the length of the Earth's revolution around the Sun to 9 decimal places.

A network of treaties had emerged by the 1150s, reducing – but not eliminating – the degree of local fighting in England.

* Roger Mortimer of Wigmore ( ca 1150s – 1214 ), married Isabel de Ferriers and became Lord of Maelienydd

* 1150s –

Sven Lagerbring ( 1707 – 1787 ) proposed that it taken place during King Sweyn III of Denmark's attack on Sweden in the 1150s.

The term " common law " originally derives from the 1150s and 1160s, when Henry II of England established the secular English tribunals.

Carols were very popular as dance songs from the 1150s to the 1350s, after which their use expanded as processional songs sung during festivals, while others were written to accompany religious mystery plays ( such as the Coventry Carol, written in 1591 ).

Hill notes that paper mills appear in early Christian Catalonian documentation from the 1150s, which may imply Islamic origins, but here too hard evidence is lacking, and the case for early Catalan water-powered paper mills has been thoroughly dismissed after a re-examination of the evidence cited by Burns.

A group of Benedictine monks, dependent upon Ely Abbey, moved here from their water-logged monastery at Elmeney ( a vanished settlement about a mile to the northeast ) in the 1150s, at the suggestion of Duke Conan IV of Brittany.

Kvenland appears once in a list of countries found in Leiðarvísir og borgarskipan, which was basically a guidebook for pilgrims about the routes from Northern Europe to Rome and Jerusalem, written by an Icelandic Abbot Níkulás Bergsson in the monastery of Þverá ( Munkaþverá ) in the late 1150s CE.

According to some medieval accounts and maps, Kvenland included also the Kola Peninsula north from Bjarmaland, as stated e. g. in the late 1150s ' AD Leiðarvísir og borgarskipan in which the Icelandic Abbot Níkulás Bergsson writes that north from Värmland there are " two Kvenlands ( Kvenlönd ), which extend to north of Bjarmia ( Bjarmalandi )".

The Andalusian traveler Abū Hamid al-Gharnāti who visited Bulghar in the 1150s, noted that Iskandar Dhū 1-Qarnayn passed through Bulghar, that is, the Volga-Kama region, on his way to build the iron walls that contained Yā ' jūj and Mā ' jūj and Magog within the land of darkness ... while Najib al-Hamadāni reports that the rulers of Bulghar claimed descent from Iskandar Dhūl-Qarnayn.

There is a specific Latin influence in Chrétien ’ s romances the likes of which ( The Iliad, The Aeneid, Metamorphoses ) were “ translated into the Old French vernacular during the 1150s ”.

The Lendman Party ( Norwegian: Lendmannsflokken or Lendmannspartiet ), which appeared after the 1150s, and its successor, the Baglers, formed in 1196, were movements consisting of persons of the secular aristocracy ( feudal lords ) and of the clerical aristocracy ( bishops ), among others Earl Erling ‘ the Slanted ’ Ormsson, who, preferably with a descendant of Olaf ‘ the Holy ’, sought to introduce a one-king hereditary monarchy on the continental European model.

# Johan ( Jon jarl ), slain by enraged peasants during a meeting of the Thing in the early 1150s, possibly father of Cecilia

Wooden keeps on mottes ceased to be built across most of England by the 1150s, although they continued to be erected in Wales and along the Welsh Marches.

By the early 1150s the barons and the Church mostly wanted a long-term peace.

His earliest writings were likely written in the 1150s, and probably in Paris.

However, although this new coinage made long distance trade easier it was very detrimental to local trade which spread “ hatred throughout Italy .” By the 1150s most of this coinage was no longer in use and soon after, it disappeared all together.

The town lay in the parish of Silkstone and developed little until in the 1150s when it was given to the monastery of St John, Pontefract.

During the 1150s, the Knights Templar also acquired land in Tripoli.

In the 1150s, the Bishop of Uppsala was also in a bitter fight with the Bishop of Linköping over which see would become archiepiscopal.

He is ignored in all Swedish bishop chronicles, unless he is the same Henry who was later redated to 1150s.

In the 1150s with the creation of the Angevin Empire the Normans controlled half of France and all of England, dwarfing the power of France.

Later in 1150s Yuri couple of times occupied Kiev as well.

He served in the archbishop's household with near-contemporaries Thomas Becket and John of Salisbury in the 1150s.

The hill in the centre of Aberdyfi, Pen-y-Bryn, has been claimed to be the site of fortifications in the 1150s, which were soon destroyed.

1150s — d.?

Palaeographical comparisons to other texts produced in Jerusalem suggest it was written in the 1140s ( or even the 1150s ), but the later texts may have used the Melisende Psalter as a source.

The sagas Heimskringla and Orkneyinga saga relates that at some point in the early 1150s, king Eystein went on a campaign to Scotland and England.

* 1915 – Gerard McLarnon, Irish playwright ( d. 1997 )

* 1947 – Gerard Schwarz, American conductor

* 1867 – James W. Gerard, American jurist and diplomat ( d. 1951 )

* 2011 – Gerard Smith, American musician ( Tv on the Radio ) ( b. 1974 )

* 1992 – Gerard K. O ' Neill, American physicist ( b. 1927 )

* 1918 – Gerard Henri de Vaucouleurs, French astronomer ( d. 1995 )

* Aphorismi de cognoscendis et curandis morbis ( Leiden, 1709 ), on which his pupil and assistant, Gerard van Swieten ( 1700 – 1772 ) published a commentary in 5 vols.

Various linguists have seen these North Eurasian languages as part of: < ul >< li > a Ural – Altaic language family ( popular until 1960s )</ li >< li > a Uralic and an Altaic family ( Anna V. Dybo | Dybo, Roy Andrew Miller | Miller, Nicholas Poppe | Poppe )</ li >< li > separate Uralic, Turkic languages | Turkic and Mongolian language | Mongolian families ( Gerard Clauson | Clauson, Gerhard Doerfer | Doerfer, Stefan Georg | Georg )</ li >< li > a Eurasiatic or Nostratic macrofamily ( Joseph Greenberg | Greenberg, Sergei Starostin | Starostin, Allan Bomhard | Bomhard )</ li ></ ul >

* 1923 – Gerard Reve, Dutch writer ( d. 2006 )

* 1927 – Gerard K. O ' Neill, American physicist ( d. 1992 )

* 1988 – Steeve Gerard Fankà, Cameroonian footballer

* 1987 – Gerard Piqué, Spanish football player

Alfred Henry ( Freddy ) Heineken ( November 4, 1923, Amsterdam, Netherlands – January 3, 2002, Noordwijk, Netherlands ) was a Dutch major stock holder and president of Heineken International, the brewing company bought in 1864 by his grandfather Gerard Adriaan Heineken in Amsterdam.

Gerard Manley Hopkins ( 28 July 1844 – 8 June 1889 ) was an English poet, Roman Catholic convert, and Jesuit priest, whose posthumous fame established him among the leading Victorian poets.

* Ronan, Gerard The Irish Zorro: the Extraordinary Adventures of William Lamport ( 1615 – 1659 )

* 1889 – Gerard Manley Hopkins, English Poet ( b. 1844 )

* 1985 – Gerard Aafjes, Dutch footballer

Jean-Michel Basquiat, born in Brooklyn, New York after the death of his brother Max, was the second of four children of Matilda Andrades ( July 28, 1934 – November 17, 2008 ) and Gerard Basquiat ( born 1930 ).

* 1914 – Bob Gerard, British racing driver ( d. 1990 )

* 1844 – Gerard Manley Hopkins, English poet ( d. 1889 )

Gerard Manley Hopkins ( 1844 – 1889 ) writes on the kestrel in his poem The Windhover, exalting in their mastery of flight and their majesty in the sky.

* De Staat ( 1972 – 76 ) ( text by Plato ) for 2 sopranos, 2 mezzo-sopranos, 4 oboes ( 3rd, 4th + English horn ), 4 horns, 4 trumpets, 3 trombones, bass trombone, 2 harps, 2 electric guitars, 4 violas, bass guitar, 2 pianos ( also transcribed for two pianos in 1992 by Cees van Zeeland and Gerard Bouwhuis )

* 1977 – Danny Gerard, American actor

* 1700 – Gerard van Swieten, Dutch physician ( d. 1772 )

* 1946 – Gerard John Schaefer, American serial killer ( d. 1995 )