- Alfonso I of Aragon becomes King of Aragon and Navarre.
- Historian Guibert of Nogent becomes abbot of Notre Dame de Nogent.
- Baldwin I of Jerusalem captured Acre.
- Baldwin II, count of Edessa, is taken prisoner by the Seljuk Turks at the Battle of Harran; Tancred of Hauteville becomes regent.
- Kilij Arslan I, Sultan of Rum, starts a war with the Danishmends.
- Bohemund I of Antioch is defeated by the Danishmends at Harran.