July 5 – Ísleifur Gissurarson, Icelandic bishop (b.May 14 – William Walcher, bishop of Durham.April 17 – Harald III, king of Denmark (b.January 26 – Amadeus II, count of Savoy (b.Wulfric of Haselbury, English wonderworker (d.Theresa, Portuguese queen and regent (d.Rotrou III ( the Great), French nobleman (d.Robert Pullen, English cardinal (approximate date).Richard Fitz Pons, Norman nobleman (d.Reginald I ( the One-Eyed), count of Bar (d.Piotr Włostowic, Polish nobleman (approximate date).Matilda of Scotland, queen of England (d.María Rodríguez, countess of Barcelona (d.Magnus Erlendsson, Norse earl of Orkney (d.Lhachen Utpala, Indian king of Ladakh (d.Leo I, prince of Cilician Armenia (approximate date).Ibn Tumart, Almoravid political leader (approximate date).Honorius Augustodunensis, French theologian (d.Henry I, archbishop of Mainz (approximate date).Helie of Burgundy, countess of Toulouse (d.Harald Kesja ( the Spear), king of Denmark (d.Guarinus of Palestrina, Italian cardinal-bishop (d.Ermesinde of Luxembourg, countess of Namur (d.Eilika of Saxony, German noblewoman (d.Egas Moniz o Aio, Portuguese nobleman (d.Cellach of Armagh (or Celsus), Irish archbishop (d.Barthélemy de Jur, French bishop (approximate date).Alberic of Ostia, French cardinal-bishop (d.Adolf III, German count of Berg and Hövel (d.Adelard of Bath, English philosopher (d.Benno II, bishop of Osnabrück, founds the Benedictine abby of Iburg Castle (modern Germany).King Alfonso VI ( the Brave) of León and Castile establishes Latin liturgy in the Catholic Church, in place of the Hispanic Rite.Pope Gregory VII is deposed, signed in a decree by Henry IV. June 25 – Wibert of Ravenna is elected as anti-pope Clement III during the pro-imperial Synod of Brixen.He successfully defends the invasion route to Yanzhou ( Shaanxi province). Shen Kuo, Chinese polymath scientist and statesman, begins his defensive military campaign against the Tanguts of the Western Xia.The Almoravid emir, Yusuf ibn Tashfin, conquers Tangier, Badis and Hunayn.The Rubenid Principality of Cilicia gains independence after its founder, Ruben I, succeeds in establishing his authority in the mountainous regions of Cilicia.Osmund, bishop of Salisbury, builds Devizes Castle in Wiltshire.He reaches as far as Falkirk and forces King Malcolm III to agree to terms while building fortifications at Newcastle-on-Tyne. Autumn – Robert Curthose, a son of William I, is sent to invade Scotland.King William I ( the Conqueror) sends a punitive expedition led by his half-brother Odo of Bayeux to pacify Northumbria. May 14 – William Walcher, bishop of Durham, is killed by rebel Northumbrians.Rudolf dies the following day at Merseburg of wounds received. October 14 – Battle on the Elster: Rudolf of Rheinfelden defeats the imperial forces led by Henry IV at the Elster River.He is succeeded by his brother Canute IV ( the Holy) as ruler of Denmark. April 17 – King Harald III dies after a 4-year reign and is buried at Dalby Church in Scania (modern Sweden).January 27 – Battle of Flarchheim: Emperor Henry IV defeats the forces led by the German anti-king Rudolf of Rheinfelden, duke of Swabia, near the town of Flarchheim (modern Germany).Melissenos makes an alliance with Sultan Suleiman ibn Qutulmish and recruits many Turkish mercenaries to his army. Autumn – Nikephoros Melissenos, a Byzantine general and aristocrat, seizes control of what remains of Byzantine Asia Minor (modern Turkey), and proclaims himself emperor against Nikephoros III.1080 in various calendars Gregorian calendarĮvents By place Byzantine Empire