Calendar overview 1252
|Daibutsu of Kamakura is established in the Kōtoku-in .|
|1252 in other calendars|
|Armenian calendar||700/701 (turn of the year July)|
|Buddhist calendar||1795/96 (southern Buddhism); 1794/95 (alternative calculation according to Buddhas Parinirvana )|
|Chinese calendar||65th (66th) cycle|
|Chula Sakarat (Siam, Myanmar) / Dai calendar (Vietnam)||614/615 (turn of the year April)|
|Islamic calendar||649/650 (turn of the year March 13/14)|
|Jewish calendar||5012/13 (September 4th / 5th)|
|Seleucid era||Babylon: 1562/63 (turn of the year April)
Syria: 1563/64 (turn of the year October)
|Vikram Sambat (Nepalese Calendar)||1308/09 (turn of the year April)|
Politics and world events
Holy Roman Empire / Kingdom of Sicily
- Beginning of the year: King Conrad IV reaches the Kingdom of Sicily on his Italian expedition . Naples and Capua initially refuse to obey him. The relationship with his half-brother Manfred , who has previously ruled the kingdom, is also deteriorating.
- February 11 : The Bohemian heir to the throne Ottokar Přemysl marries Margarete von Babenberg , who is almost 30 years older than him , in Hainburg in order to substantiate his claims to the Babenberg possessions. He has the privilege minus and its confirmation by Emperor Friedrich II handed over to him in 1245. Thereby Margarete transfers the rule of the duchies of Austria and Styria to her husband. Pope Innocent IV confirmed the legal handover of the two duchies on May 6th . In a document dated June 16, 1252, in which the Ardagger provost's right to toll is secured, Margarete names herself ducissa Austrie et Stirie ac marchionissa Moravie for the first time in addition to her title Romanorum (quondam) regina .
- June 9 : After Otto I's death , his sons Albrecht I and Johann I rule the Duchy of Braunschweig-Lüneburg initially together.
- December 27th : In the Peace of Lieserhofen , Count Albert III. von Tirol and his son-in-law Meinhard III. von Gorizia on the one hand and the Salzburg elect Philipp von Spanheim and his father Duke Bernhard von Carinthia on the other hand started a bitter feud and regulated their areas of influence anew.
Further events in Europe and in the crusader states
- January: Bohemond VI. follows his late father Bohemond V as Prince of Antioch and Count of Tripoli , temporarily under the tutelage of his mother. However, he travels with this in the same year to Jaffa , where King Ludwig IX. of France after the failed sixth crusade and exercises de facto rule in the Kingdom of Jerusalem . From Louis IX. Bohemond receives the sword line in December and the right to include his lily hermelin in his coat of arms.
- 3rd / 4th May : Gunther von Wüllersleben dies in Acre . Poppo von Osterna is elected as his successor as Grand Master of the Teutonic Order .
- May 30th : After the death of Ferdinand III. his son Alfonso X becomes King of Castile and León .
- June 29th : When King Abel of Denmark is murdered on an expedition against the Frisians, his son Waldemar has been in captivity by Archbishop Konrad von Hochstaden of Cologne for two years . Therefore, Abel's younger brother Christoph I is elected King of Denmark and crowned at Christmas in Lund Cathedral. Waldemar's mother Mechthild von Holstein and her brothers then tried to win over at least the Duchy of Schleswig for him.
New foundations, city rights and first documentary mentions
- July: In a letter of protection for the Fogdö Monastery is Stockholm first mentioned.
- Venetian families re-establish the city of Chania on Crete . It lies on the site of ancient Kydonia .
- First documented mention of Aesch BL , Etziken , Gorgier and Königsbach
- Klagenfurt and Hasselt receive city rights .
science and technology
- around 1252: By order of Alfonso X of Castile and León , the production of the Alfonsin Tables begins in Toledo , an astronomical work with tables for calculating the positions of the sun , moon and the five classic planets Mercury , Venus , Mars , Jupiter and Saturn .
- The Great Buddha of Kamakura is erected.
- April 6th : Peter von Verona , the papal inquisitor for Como and Milan, is murdered for his harsh actions against Cathars .
- May 15 : Pope Innocent IV publishes the Bull Ad Extirpanda , one of the most important basic texts of the Inquisition , in which the use of torture is expressly permitted.
Foundations of monasteries
- In Ireland, John de Cogan I founded the Kinalehin monastery as a Carthusian priory in the Clonfert diocese .
- Boček von Jaroslavice and Zbraslav founds the Žďár monastery , which is populated by monks from the Nepomuk monastery .
- Heinrich von Oldenburg founds the Segenstal monastery .
- The Gronau monastery in the Lower County of Katzenelnbogen is first mentioned in a document.
- The Mendikantenstreit at the University of Paris between teachers, secular priests and men of letters and the mendicant orders begins.
Date of birth saved
Exact date of birth unknown
- Safi ad-Din Ardabili , Kurdish-Persian clergyman († 1334 )
- Rohese de Clare , English nobleman († 1317 )
- Hugo II , King of Cyprus and Regent of the Kingdom of Jerusalem († 1267 )
- Eberhard I. , Count of Isenberg-Limburg and Lord of Styrum († 1304 )
- Nitchō , Japanese Buddhist monk († 1317 )
Born around 1252
- Adolf V , Count of Holstein-Kiel and Holstein-Segeberg († 1308 )
- Stefan Dragutin , King of Serbia († 1316 )
- 1252/ 1253 : John I , Duke of Brabant and Limburg, Markgraf of Antwerpen († 1294 )
- 1252/ 1253 : Amadeus V. , Count of Savoy
First half of the year
- Early January: Johanna , Countess of Clermont and Mortain
- January 22nd : Isabella , Queen of Armenia (* 1219 )
- after January 25: Alberich von Trois-Fontaines, French monk and chronicler
- January: Bohemond V , Prince of Antioch and Count of Tripoli (* around 1200 )
- February 20 : Amicia de Montfort , founder of the French monastery
- March 6th : Rosa von Viterbo , Catholic mystic (* 1233 )
- March 6th : Sigurd Eindridesson Tafse , Archbishop of Nidaros
- March 8th : Wernher II , Augustinian canon and provost of Berchtesgaden
- April 6 : Petrus von Verona , Italian Dominican preacher, inquisitor and martyr (* around 1206 )
- 3rd / 4th May : Gunther von Wüllersleben , eighth Grand Master of the Teutonic Order
- May 30 : Ferdinand III. , King of Castile and León (* 1199 )
- June 6th : Robert Passelewe , English clergyman
- June 9 : Otto I , first Duke of Braunschweig and Lüneburg (* 1204 )
- June 29 : Abel , Duke of Schleswig and King of Denmark (* 1218 )
Second half of the year
- August 1st : Johannes de Plano Carpini , Italian Franciscan and missionary, head of an embassy to Mongolia (* around 1185 )
- October 25 : al-Hasan ibn Muhammad as-Saghānī , hadith scholar and Arabic lexicographer (* 1181 )
- around October 26 : Ingrid Ylva , Swedish princess (* around 1180 )
- November 4th : Johannes von Wildeshausen , master of the Dominican order (* around 1180 )
- November 27th : Blanka of Castile , Queen and Regent of France (* 1188 )
- 15 / December 16 : Uffe Thrugotsen , Archbishop of Lund
- End of the year: Konrad II , Augustinian canon and provost of Berchtesgaden
Exact date of death unknown
- Albert , Bishop of Chiemsee
- Heinrich I , Prince of Anhalt (* around 1170 )
- Heinrich I , Abbot of Ebrach
- Heinrich I , Count of Vianden (* 1210 )
- Kujō Michiie , Japanese Kampaku and the father of the shogun Kujō Yoritsune (* 1193 )
- Sorkhatani Beki , Mongolian nobles from the Keraite tribe
- Svyatoslav III. , Grand Duke of Vladimir (* 1196 )
- Wilhelm II , Count of Geneva
- Zdislava , Bohemian patron saint of the poor and sick (* after 1220)