1115

Events

By place

Levant

• September 14 – Battle of Sarmin: The Crusaders, under Prince Roger of Salerno, surprise and rout the Seljuk Turkish army, led by Emir Bursuq ibn Bursuq, at Sarmin. Bursuq barely avoids capture, and escapes with a few hundred horsemen. Roger reoccupies the fortress of Kafartab, and consolidates his territory around Antioch.
• The Crusader castle of Montreal is commissioned by King Baldwin I of Jerusalem, during an expedition against the Seljuk Turks.

  Europe

• February 11 – Battle of Welfesholz: Duke Lothair of Supplinburg joins the rebellious Saxon forces, and defeats the German Imperial Army of Emperor Henry V at Welfesholz, in Saxony-Anhalt.
• July 24 – Matilda, margravine of Tuscany, dies at Bondeno. During her reign she waged an intermittent war with Henry IV, Holy Roman Emperor, over the inheritance rights of her fiefs in Lombardy and Tuscany.

  Asia

• The Jin dynasty is created by the Jurchen tribal chieftain Taizu. He establishes a dual-administration system: a Chinese-style bureaucracy to rule over northern and northeast China.
• The 19-year-old Minamoto no Tameyoshi, Japanese nobleman and samurai, gains recognition by suppressing a riot against Emperor Toba at a monastery near Kyoto.

  Mesoamerica

• The Mixtec ruler Eight Deer Jaguar Claw is defeated in battle and sacrificed by a coalition of city-states, led by his brother-in law Four Wind, at Tilantongo in the Mixteca Alta region.

  By topic

Religion

• Arnulf of Chocques is accused of sexual relations with a Muslim woman. He is briefly removed from his position as patriarch of Jerusalem.
• Peter Abelard, French scholastic philosopher, becomes master of the cathedral school of Notre-Dame and meets Héloïse d'Argenteuil.
• Clairvaux Abbey is founded by Bernard, French abbot and a major leader in the reform of Benedictine monasticism, in France.
• Hugh of Saint Victor, French theologian and writer, joins the Victorines in Paris.

  Births

• April 18 – Gertrude of Süpplingenburg, German duchess and regent
• September 18 – Empress Wu, Chinese consort
• Aubrey de Vere, 1st Earl of Oxford, English nobleman
• Berenguer Ramon, Count of Provence
• Erling Skakke, Norwegian nobleman
• Eustathius of Thessalonica, Byzantine archbishop
• Euthymios Malakes, Byzantine bishop
• Fulk I FitzWarin, English nobleman
• Gilbert de Clare, 1st Earl of Hertford, English nobleman
• Hugo Etherianis, Italian cardinal and adviser
• Joel ben Isaac ha-Levi, German rabbi and writer
• Li Tao, Chinese historian and writer
• Magnus IV, king of Norway
• Pedro Fernández de Castro, Spanish nobleman
• Peter Cellensis, French abbot and bishop
• Roger de Pont L'Évêque, Norman archbishop
• Welf VI, margrave of Tuscany
• Wichmann von Seeburg, German archbishop
• William V, Marquis of Montferrat, ruler of the March of Montferrat

  Deaths

• 16 May – Lambert of Arras, Flemish bishop
• July 8 – Peter the Hermit, French religious leader
• July 24 – Matilda, margravine of Tuscany
• September 27 – Bonfilius, Italian Saint, bishop of Foligno
• December 22 – Olav Magnusson, king of Norway
• December 23 – Ivo of Chartres, French bishop
• December 30 – Theodoric II, Duke of Lorraine
• Abu al-Mu'in al-Nasafi, Arab theologian
• Adela of Flanders, queen consort of Denmark
• Artau II, Count of Pallars Sobirà, Catalan nobleman
• Eight Deer Jaguar Claw, Mixtec ruler
• Gerberga, Countess of Provence
• Godfrey of Amiens, French bishop
• Leo Marsicanus, Italian cardinal
• Mazdali ibn Tilankan, Almoravid governor
• Odo, Count of Champagne
• Reynelm, English bishop of Hereford
• Shin Arahan, Burmese religious adviser
• Tanchelm of Antwerp, Flemish priest
• Turgot of Durham, English churchman, bishop of St Andrews