1094

By place

Byzantine Empire

• Spring , Emperor Alexios I Komnenos sends a Byzantine expeditionary force under General Tatikios to Nicaea, in an attempt to re-capture the city from the Seljuk Turks. However, the arrival of Barkiyaruq's army en route stops the Byzantines. Alexios sends reinforcements; short of supplies, the Seljuk Turks retreat. Abu'l-Qasim, Seljuk governor of Nicaea, is defeated and forced to conclude a truce with Alexios.

Europe

• May , El Cid (Rodrigo Diaz de Vivar) completes his conquest of Valencia in Al-Andalus (modern Spain) and begins his rule (in the name of King Alfonso VI) there. The Almoravid campaign to regain the city fails.
• May, June , Duncan, son of the late King Malcolm III of Scotland, gathers a substantial army, chiefly Anglo-Normans from England, and challenges his uncle Donald III ("the Fair") for the Kingdom of Scotland. Duncan is crowned king at Scone.
• July 28 , William Bertrand dies, and his margravial title of Provence is inherited by Raymond IV ("Saint-Gilles"), who becomes count of Toulouse (until 1105).
• November 12 , Donald III mobilises his army and kills Duncan II in battle in the Scottish Lowlands, re-taking the Scottish throne.

Fatimid Egypt

• After the death of Caliph al-Mustansir Billah, his son-in-law and vizier Al-Afdal declares al-Musta'li, a younger son of al-Mustansir, in a coup d'état as new Caliph. Al-Mustansir's designated heir, Nizar, flees to Alexandria.

Eastern Islamic world

• February 3 , Caliph of Baghdad al-Muqtadi dies and is succeeded by his nominated heir Ahmad (al-Mustazhir).
• October , Seljuk sultan Mahmud I dies after a 2-year reign. He is succeeded by his brother Barkiyaruq (one of the Seljuk princes who claim the throne) as ruler of the Seljuk Empire.

By topic

Religion

• May 15 , The Cathedral of St. Agatha in Catania (Sicily) is consecrated by the Breton abbot Ansger.
• October 8 , Doge Vitale Faliero consecrates the new Basilica of San Marco in Venice.
• King Ladislaus I of Hungary founds a diocese (alongside the bishop's see) in Zagreb.
• Al-Musta'li becomes the nineteenth imam of Musta'li Ismailism

• January 14 , Eudokia Komnene, Byzantine princess (d. 1129)
• Abd al-Mu'min, Almohad caliph (approximate date)
• Ibn Zuhr (or Avenzoar), Moorish physician (d. 1162)
• Malachy, Irish archbishop and saint (d. 1148)
• Richard d'Avranches, 2nd Earl of Chester (d. 1120)
• Yelü Dashi, founder of the Qara Khitai (d. 1143)

• January 10 , Al-Mustansir Billah, Fatimid caliph (b. 1029)
• February 3
  • Al-Muqtadi, Abbasid caliph (b. 1056)
  • Teishi, Japanese empress (b. 1013)
• June 2 , Nicholas the Pilgrim, Italian shepherd (b. 1075)
• June 4 , Sancho V, king of Aragon and Pamplona
• July 28 , William Bertrand, margrave of Provence
• October 14
  • Bertha of Holland, French queen consort
  • Fujiwara no Nobunaga, Japanese nobleman (b. 1022)
• October , Mahmud I, sultan of the Seljuk Empire
• November 12 , Duncan II, king of Scotland
• Abu Ali Fana-Khusrau, Buyid nobleman
• Al-Bakri, Moorish historian and geographer
• Aq Sunqur al-Hajib, Seljuk sultan of Aleppo
• Badr al-Jamali, Fatimid vizier and statesman
• Isaac Albalia, Andalusian Jewish astronomer (b. 1035)
• Jonathan I, Italo-Norman count of Carinola
• Michael of Avranches, Italian bishop
• Roger de Beaumont, Norman nobleman
• Roger de Montgomery, Norman nobleman
• Terken Khatun, Seljuk empress and regent
• William Fitzeustace, 1st Earl of Gloucester, Norman nobleman
• Wulfnoth Godwinson, English nobleman