Historical Events in 1109
- Jul 12 Crusaders capture Syria's harbor city of Tripoli
Famous People Born in 1109
- Jul 25 Afonso I the Conqueror, King of Portugal (1143-85), born in Guimarães, Portugal (d. 1185)
Famous People Who Died in 1109
- Jan 26 Albericus of Côteaux, French saint, dies
- Apr 21 Anselmus, philosopher/archbishop of Canterbury, dies
- Apr 28 Saint Hugh of Cluny, 6th abbot of Cluny, dies at 84
- Jun 30 Alfonso VI, (imperator totius Hispaniae), king of Leon, dies
- Jul 1 King Alfonso VI of Castile (b. 1040)