* 1096:
* August 15: Pope Urban II preaches the First Crusade at the Council of Clermont.
* September: German crusaders led by Godfrey of Bouillon and Raymond of Toulouse set out from Lotharingia.
* October: French crusaders led by Hugh of Vermandois and Robert Curthose set out from France.
* November: Norman crusaders led by Robert II, Duke of Normandy, and Stephen, Count of Blois, set out from England.
* 1097:
* Spring: The German and French crusaders arrive in Constantinople, where they are joined by Byzantine emperor Alexios I Komnenos.
* May: The crusaders cross the Bosporus into Asia Minor.
* June: The crusaders defeat the Seljuk Turks at the Battle of Dorylaeum.
* July-September: The crusaders besiege and capture the city of Nicaea.
* 1098:
* Spring: The crusaders march towards Jerusalem.
* June: The crusaders capture the city of Antioch after a long siege.
* 1099:
* February: The crusaders set out for Jerusalem.
* June 7: The crusaders reach Jerusalem.
* July 15: The crusaders capture Jerusalem after a siege.
* July 22: Godfrey of Bouillon is elected the first ruler of the Kingdom of Jerusalem.