1252
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Heads of State
Year of the Earth Rat壬子( at the beginning of the year Metal Pig辛亥)
Syria: 1563/64 ( the year in October )
Events
Politics and World Affairs
Europe
- Alfonso X becomes King of Castile and Leon.
Foundations, civic rights and Ersturkundliche mentions
- Founding of the city of Chania, instead of the ancient Cydonia in Crete
- First mention of Aesch BL, Etziken, Gorgier and King Bach
- Stockholm is founded.
- Klagenfurt and Hasselt received municipal rights.
Economy
- Florence dominates the first gold florins, the Fiorino d' Oro.
Science and Technology
- To 1252: At the request of Alfonso X of Castile and León is started in Toledo with the production of Alfonsine Tables, an astronomical work with tables for calculating the position of Sun, Moon and the five classical planets Mercury, Venus, Mars, Jupiter and Saturn.
Religion
- April 6: Peter of Verona, the papal inquisitor for Como and Milan, is murdered because of his strict action against the Cathars.
- MAY 15: Pope Innocent IV published the Papal Bull Ad Extirpanda, one of the most important basic writings of the Inquisition, in which the use of torture is explicitly permitted.
- Thomas Aquinas leaves the Cologne Dominican Convent (see 1248 ) and teaches in Paris.
- Rutebeuf speaks in Mendikantenstreit (, University of Paris dispute ' until 1266 ) against the mendicant orders and defended William of Saint Amour.
- Jacobus de Voragine is a lecturer of theology in Genoa.
- The Great Buddha of Kamakura is built.
- In Ireland, the monastery Kinalehin is founded.
Born
- March 25: Conradin of Hohenstaufen, Duke of Swabia and last Staufer († 1268 )
- 1252/1253: John I, Duke of Brabant ( † 1294 )
Died
- JANUARY 22: Isabella, Princess of Armenia (* 1219 )
- January: Bohemond V, Prince of Antioch and Count of Tripoli
- FEBRUARY 20: Amice de Montfort, French monastery founder
- MARCH 6: Rosa of Viterbo, Catholic mystic (* 1233 )
- March 6: Sigurd Eindridesson Tafse, Norwegian Archbishop (* 12th century )
- 3 / 4 Mai: Gunther von Wüllersleben, eighth Grand Master of the Teutonic Order since 1249
- May 30: Ferdinand III, as Ferdinand II, King of Castile and Ferdinand III. . King of Spain (* 1199 )
- 9 June: Otto I, the first Duke of Brunswick and Lüneburg from 1235 (* 1204)
- June 29: Abel, from 1232 Duke of Schleswig from 1250 and King of Denmark (* 1218 )
- Henry I, Prince of Anhalt (* 1170 ) (see Eike von Repgow )
- Henry I, Count of Vianden (* 1210)
- Sorkhatani Beki, wife of Genghis Khan's fourth son Tolui
- Svyatoslav III. , Grand Duke Vladimir (1246-1248) (* 1196)
- Zdislava, Bohemian patron saint of the poor and the sick (c. 1215)