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By place

Levant

• Battle of Shaizar: Sultan Muhammad I appoints Mawdud ibn Altuntash, Turkic governor of Mosul, to lead a Seljuk expedition against the Crusaders. The composite force includes Muslim contingents from Damascus, Diyarbakır, Ahlat and some Persian troops, headed by Bursuq ibn Bursuq from Hamadan. The Crusaders, led by King Baldwin I of Jerusalem, are cut off from their supplies, and within two weeks forced to fall back on Afamiya in northern Syria.
• Winter - The Crusaders, led by Baldwin I, besiege Tyre, without a supporting fleet. While besieging the town, a Byzantine embassy arrives in the Crusader camp. The Byzantines try to persuade Baldwin to join a coalition against Tancred, Italo-Norman prince of Galilee, but this is refused by him.

  Europe

• April 13 - Henry V is crowned as Holy Roman Emperor by Pope Paschal II. Henry returns to Germany, where he strengthens his power by granting privileges to the German nobles of the region of the Upper Rhine.
• Almoravid forces under Syr ibn Abi Bakr capture Santarém and Sintra. The efforts of the Berbers to reconquer lost ground lead to the sack of Coimbra. The same year the city revolts against their lord in Portugal.
• The commune of Lodi Vecchio is besieged and destroyed by Milanese troops in northern Italy.
• October 5 - The 18-year-old Baldwin VII succeeds his father Robert II as count of Flanders.

  Ireland

• Domnall Ua Briain becomes king of the Hebrides and the Isle of Man, following a request from the people of the kingdom of Munster, to send them a ruler.

  Asia

• The Donglin Academy, a Chinese educational institution, is established in Wuxi during the Northern Song Dynasty.

  By topic

Religion

• The Synod of Rathbreasail marks the transition of the Irish church, from a monastic to a diocesan structure.