Calendar year
Philip II (August ) andJohn (Lackland ) making peace during theAngevin War .1200 (MCC ) was aleap year starting on Saturday of theJulian calendar , the 1200th year of theCommon Era (CE) andAnno Domini 2nd millennium , the 100th and last year of the12th century , and the 1st year of the1200s decade. As of the start of 1200, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.
Calendar year
The Proleptic Gregorian calendar called it a century leap year.
Spring –Boniface I , Marquis of Montferrat, sends envoys toVenice ,Genoa and other city-states to negotiate a contract for transport to theLevant . Meanwhile, Boniface and various nobles are mustering an expeditionary army (mainly forces fromFrance and theHoly Roman Empire ) atParis . OnFebruary 23 ,Baldwin IX , count ofFlanders and his brotherHenry of Flanders take the cross atBruges (modernBelgium ), and agree to take part in theFourth Crusade called by PopeInnocent III (see1199 ).[ 1] May 22 – The KingsJohn of England andPhilip II of France, sign a peace treaty atLe Goulet , an island in the middle of theSeine River , nearVernon inNormandy . The agreement recognizes John as overlord of most of the English owned lands in France, but John has to give Philip the lands of NormanVexin andÉvreux and a large sum of money (some 20,000 marks) – a "relief" payment for recognition of John's sovereignty ofBrittany .[ 2] August 25 – Eager to make peace withAymer Taillefer , count ofAngoulême , John marries 15-year-oldIsabella of Angoulême atBordeaux . In order to remarry, John needs to abandon his first wife,Isabella of Gloucester . John accomplishes this by arguing that he has failed to get the necessarypapal dispensation to marry Isabella of Gloucester.[ 3] The rebel leaderIvanko is captured and executed by the Byzantine generalAlexios Palaiologos (son-in-law of EmperorAlexios III Angelos ). Temüjin (orGenghis Khan ) manages to unite about half the feudingMongol clans under his leadership. He delegates authority based on skill and loyalty, rather than tribal affiliation or family. The main rivals of theMongol confederation are theNaimans to the west, theMerkits to the north, theTanguts to the south and theJin Dynasty (orGreat Jin ) to the east.[ 5] TheUniversity of Paris receives its charter, from Philip II. He issues a diploma "for the security of the scholars ofParis ", which affirms that students are subject only to ecclesiastical jurisdiction.
January 13 –Otto I , German nobleman (House of Hohenstaufen )January 14 –Odo of Novara , Italian priest and saint (b.1105 )January 20 –Odo of Canterbury , Englishabbot and theologianFebruary 6 April 8 –Adalbert III (orVojtěch ), German archbishop (b.1145 )April 23 –Zhu Xi , Chinese historian and philosopher (b.1130 )May 25 –Nicholas I , German nobleman (House of Mecklenburg )July 16 –Li Fengniang (orCixian ), Chinese empress (b.1144 )July 26 –Raymond of Piacenza (the Palmer ), Italian pilgrimSeptember 19 –Alberic III of Dammartin , French noblemanSeptember 17 –Guang Zong , Chinese emperor (b.1147 )[ 16] September 24 –Heinrich Walpot , German Grand MasterOctober 25 –Conrad of Wittelsbach , German archbishopNovember 16 –Hugh of Avalon , French monk and bishopDecember 12 –Lochlann of Galloway , Scottish noblemanDecember 14 –Han (orGongshu ), Chinese empress (b.1165 )Adachi Morinaga , JapaneseBuddhist warrior monk (b.1135 )Benedicta Ebbesdotter of Hvide , queen ofSweden (or1199 )Gilbert Horal , SpanishGrand Master of the Knights Templar Inpumon'in no Tayū , Japanese noblewoman and poet (b. 1130)Joel ben Isaac ha-Levi , Germanrabbi andTosafist (b.1115 )Liu Wansu , Chinese physician of theJin Dynasty (b.1110 )Nicholas of Amiens , French theologian and writer (b. 1147)Nigel de Longchamps , Englishsatirist (approximate date)Osbern of Gloucester , English lexicographical writer (b.1123 )William FitzRalph , English nobleman and knight (b.1140 )^ Steven Runciman (1952).A History of The Crusaders. Vol III: The Kingdom of Acre , pp. 93–94.ISBN 978-0-241-29877-0 ^ Warren, W. L. (1978).King John 55 . ^ Warren, W. L. (1978).King John . University of California Press. p. 64. ^ David Nicolle (2011). Osprey: Campaign - Nr. 237.The Fourth Crusade 1202–04. The betrayal of Byzantium , p. 17.ISBN 978-1-84908-319-5 ^ Andrew Roberts (2008).Great Commanders of the Medieval World (454–1582). Genghis Khan , p. 146.ISBN 978-0-85738-589-5 ^ 1200 at theEncyclopædia Britannica ^ Harvard Historical Monographs, Volume 59 . Harvard University Press. 1932. p. 9.^ David Faris (1996).Plantagenet Ancestry of Seventeenth-century Colonists . Genealogical Publishing Company. p. 225.ISBN 9780806315188 ^ "Ingerd Jakobsdatter" .Dansk kvindebiografisk leksikon . RetrievedDecember 17, 2022 .^ Freed, John B.Noble Bondsmen: Ministerial Marriages in the Archdiocese of Salzburg, 1100–1343 (Ithaca: Cornell University Press, 1995) Page 250 ^ Barnhart, R. M. et al. (1997). Three thousand years of Chinese painting. New Haven, Yale University Press.ISBN 0-300-07013-6 ^ "Jutta von Sangerhausen" .Heiligen Lexikon (in German). RetrievedDecember 17, 2022 .^ Hunt, William (1893)."Paris, Matthew" Dictionary of National Biography 207– 213.^ "Rolandino da Padova" .Enciclopedia Italiana ^ 1200 in theGerman National Library catalogue^ Michael Dillon (December 1, 2016).Encyclopedia of Chinese History ISBN 978-1-317-81716-1 
