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Murder of Bishop Stanislaus of Kraków

Year 1079 (MLXXIX) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.

Events

By place

Europe

• 
  April 11 – Stanislaus of Szczepanów, bishop of Kraków, is executed on orders by King Bolesław II (the Generous). The way in which his sentence is carried out causes a revolt among the Polish nobles. Bolesław, is forced to flee to take refuge at the court of King Ladislaus I of Hungary. He is succeeded by his brother Władysław I as ruler of Poland.^[1]


• 
  Battle of Cabra: Moorish forces aided by Castilian knights under Rodrigo Diaz (El Cid) defeat and rout the invading army of Emir Abdallah ibn Buluggin of Granada near the town of Cabra (modern Spain).


• Emperor Henry IV appoints Frederick I as duke of Swabia at Hohenstaufen Castle. Henry's 7-year-old daughter Agnes of Waiblingen is betrothed to Frederick who founds the Hohenstaufen Dynasty.


• Upon the death of Håkan the Red, Halsten Stenkilsson returns as king of Sweden, jointly with his brother Inge the Elder (approximate date).

England

• King William I (the Conqueror) establishes the New Forest in Southern England. He proclaims it as a royal forest, using it for hunting, mainly of deer.^[2]

Seljuk Empire

• The Seljuk Turks under Sultan Suleiman ibn Qutulmish reach and occupy the western coast of Asia Minor, an area known since the Archaic Period (c. 800–c. 500 BC) as Ionia (modern Turkey).^[3]

By topic

Astronomy

• 
  Omar Khayyam, Persian mathematician and astronomer, computes the length of the year to be exactly 365 days and 8 leap years that includes 366 days. The most accurate calculation of his time. Khayyam, in his Treatise on Demonstrations of Problems in Algebra, produces a complete classification of cubic equations and their geometric solutions (approximate date).

Religion

• 
  Constance, queen Castile and León, founds a monastery in Burgos (approximate date).

Births

• 
  February 11 – Yejong, king of Goryeo (d. 1122)


• 
  August 8 – Horikawa, emperor of Japan (d. 1107)


• 
  Abū Ṭāhir al-Silafī, Fatimid scholar and writer (d. 1180)


• 
  Berardo dei Marsi, Italian cardinal and bishop (d. 1130)


• 
  Dangereuse de l'Isle Bouchard, French noblewoman (d. 1151)


• 
  Diepold III, margrave of Vohburg (approximate date)


• 
  Gampopa, Tibetan Buddhist monk and teacher (d. 1153)


• 
  Kilij Arslan I, sultan of the Sultanate of Rum (d. 1107)


• 
  Liu, Chinese empress of the Song Dynasty (d. 1113)


• 
  Peter Abelard, French scholastic philosopher (d. 1142)^[4]


• 
  Urraca, queen of León, Castile and Galicia (d. 1126)


• 
  Zheng, Chinese empress of the Song Dynasty (d. 1131)

Deaths

• 
  January 8 – Adela of France, countess of Flanders (b. 1009)


• 
  February 22 – John of Fécamp, Italian-Norman abbot


• 
  April 11 – Stanislaus of Szczepanów, Polish bishop (b. 1030)


• 
  August 2 – Roman Svyatoslavich, Kievan prince


• 
  August 5 – Hezilo (or Hettilo), bishop of Hildesheim
  


• 
  November 16 – Cao, empress of the Song Dynasty (b. 1016)


• 
  Adelaide of Savoy, duchess of Swabia (approximate date)


• 
  Aedh Ua Flaithbheartaigh, king of Iar Connacht
  


• 
  Al-Jayyānī, Arab scholar and mathematician (b. 989)


• 
  Atsiz ibn Uvaq, Turkish emir of Damascus (or 1078)


• 
  Cellach húa Rúanada, Irish chief ollam and poet


• 
  Håkan the Red, king of Sweden (approximate date)


• 
  Íñigo López, Spanish nobleman (approximate date)


• 
  John of Avranches, French archbishop and writer


• 
  Odo of Rennes, duke and regent of Brittany (b. 999)


• 
  Roger d'Ivry (or Perceval), Norman nobleman


• 
  Wen Tong, Chinese painter and calligrapher (b. 1019)

References