August 27–Battle of Ramla: The Crusaders under King Baldwin I defeat a Fatimid expeditionary force (some 15,000 men) at Ramla. Baldwin pillages the enemy camp – but does not further pursue the Fatimids. The battle ends in the last large-scale attempt of the Fatimids to reconquer Palestine.
Europe
The Almoravid emir, Yusuf ibn Tashfin, sends a maritime expedition to Palestine from Sevilla to ward off the Crusaders and perhaps to reconquer Jerusalem. The fleet of about seventy ships rushes into a storm in the Mediterranean Sea, and is never seen again.
Bohemond I, Norman prince of Antioch, arrives in Apulia (Southern Italy) after an absence of 9 years. He travels to Rome and meets Pope Paschal II. His cousin, Roger II becomes count of Sicily.
Autumn – Bohemond I and papal legate Bruno travel to the north of France and visit the court of King Philip I ("the Amorous"). Bohemond gets permission to recruit men throughout the kingdom.
Inge the Elder dies and is succeeded by his nephew Philip as ruler of Sweden. He and his brother Inge the Younger rule the kingdom together (until the death of Philip in 1118).
Summer – King Henry I invades Normandy, takes Bayeux (after a short siege) and Caen. He advances on Falaise, and starts inconclusive peace negotiations with Duke Robert II. Henry withdraws to deal with political issues at home.
Henry I meets Anselm, archbishop of Canterbury, under threat of excommunication at L'Aigle in Normandy to settle their disputes that has led to Anselm's exile from England (see 1103).
Autumn –Kilij Arslan I, sultan of the Sultanate of Rum, leads a Seljuk expedition to take over Melitene (modern Turkey). He attempts to capture Edessa, but the Crusader fortress is too strongly defended by its garrison. Kilij Arslan then moves on to Harran, which surrenders to him.
Asia
The Tamna Kingdom is annexed by the Korean Goryeo Dynasty.
By topic
Religion
Winter –Sylvester IV is elected as antipope in Rome by members of the Roman aristocracy, with support of Henry V.