1115
Year 1115 was a common year starting on Friday of the Julian calendar.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 horseman. Roger reoccupies the fortress of Kafartab, and consolidates his territory around Antioch.
- The Crusader castle of Montréal 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 the late Emperor Henry IV, 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 4 Wind, at Tilantongo in the Mixteca Alta region.
By topic
Religion
Births
- April 18 - Gertrude, German duchess and regent
- September 18 - Wu, Chinese empress consort
- Aubrey de Vere, 1st Earl of Oxford
- Berenguer Raymond, count of Provence
- Erling Skakke, Norwegian nobleman
- Eustathius of Thessalonica, Byzantine archbishop
- Euthymios Malakes, Byzantine bishop
- Fulk I FitzWarin, English nobleman
- Gilbert FitzRichard de Clare, 1st Earl of Hertford
- Hugo Etherianus, Italian cardinal and adviser
- 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, marquess of Montferrat
Deaths
- April 16 - Magnus Erlendsson, Earl of Orkney
- July 8 - Peter the Hermit, French religious leader
- July 24 - Matilda, margravine of Tuscany
- 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 of Denmark
- Artau II, count of Pallars Sobirà
- 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 II, count of Champagne
- Reynelm, bishop of Hereford
- Shin Arahan, Burmese religious adviser
- Tanchelm of Antwerp, Flemish priest
- Turgot of Durham, Scottish bishop