Events

• A second wave of crusaders arrives in the newly established Kingdom of Jerusalem, after being heavily defeated by Kilij Arslan I at Heraclia. See Crusade of 1101.
• Raymond IV of Toulouse, count of Tripoli, takes Ankara from the Seljuk Turks.
• Robert Curthose signs the Treaty of Alton, giving up his claim to the Anglo-Norman throne and establishing Henry I as King of England.
• The County of Berg, Germany is established.
• Canute II of Denmark is canonized.

Births

• Heloise, lover of Pierre Abélard
• William Clito, son of Robert Curthose

Deaths

• October 6 - St Bruno, founder of the Carthusian monastic order
• October 18 - Hugh of Vermandois
• Roger I of Sicily
• Su Dongpo, poet and statesman of the Song Dynasty