By place

Byzantine Empire

• Spring – Nikephoros Botaneiates, a Byzantine general (strategos) of the Theme of the Anatolics, revolts against Emperor Michael VII (Doukas). With the support of the Seljuk Turks who provide him with troops, Nikephoros marches upon Nicaea (modern Turkey). There he defeats the imperial army and proclaims himself emperor.
• March 24 – Nikephoros Botaneiates enters Constantinople in triumph and is crowned by Patriarch Cosmas I as emperor Nikephoros III of the Byzantine Empire. Michael VII resigns his throne after a 7-year reign and retires into the Monastery of Stoudios.^[1]

Europe

• July 11 – The Romanesque tympanum of Santiago de Compostela Cathedral in Galicia (Spain) is constructed.
• August 7 – Battle of Mellrichstadt: Holy Roman Emperor Henry IV defeats the German anti-king Rudolf of Swabia.
• Anselm is elected abbot of Bec Abbey, in Normandy.^[2]
• Approximate date – The White Tower of the Tower of London is begun, under the direction of Bishop Gundulf of Rochester.

Asia

• Battle of Kalavrye: The Byzantine imperial forces of General Alexios I Komnenos are victorious over the rebellious governor of Dyrrhachium, Nikephoros Bryennios the Elder.
• Philaretos Brachamios abandons his claim to the Byzantine Empire, on being appointed Duke of Antioch, a foundation of the later Armenian Kingdom of Cilicia.
• By this year, the iron industry in Song Dynasty China is producing a total weight of 127,000,000 kg (125,000 t) of iron product per year.

Africa

• The Almoravid emir, Yusuf ibn Tashfin, besieges Ceuta. Since the city can receive help from the sea, the siege will last until 1083.

Births

• King Alexander I of Scotland (d. 1124)
• Constance of France, Princess of Antioch, regent of Antioch (d. 1125)

Deaths

• November 11 – Udo of Nellenburg, Archbishop of Trier
• November 6 – Berthold II, Duke of Carinthia (b. c. 1000)
• Rhys ab Owain, king of Deheubarth, Wales

References