For alternate uses, see Number 1100 .

Events

• William II of England dies in a hunting accident - Henry I becomes King of England
• King Henry I proclaims the Charter of Liberties, one of the first examples of a constitution.
• Baldwin I becomes King of Jerusalem.
• Baldwin of Bourcq becomes Count of Edessa.
• Dagobert of Pisa becomes Latin Patriarch of Jerusalem.
• Bohemund I of Antioch is captured by the Danishmends, leaving Tancred as regent of the Principality of Antioch.
• The cities of Kalmar, Kungälv, and Varberg, Sweden are chartered.
• In Iceland, Althing decides that the laws should be transferred to a written form
• Approximate date of the invention of checkers.
• Approximate date of the rise of the Ancient Pueblo Peoples culture.

Births

• Geoffrey of Monmouth (approximate date)
• Herman of Carinthia (approximate date)
• Pope Adrian IV (approximate date)
• Albert I of Brandenburg (approximate date)

Deaths

• William II of England - August 2
• Godfrey of Bouillon, King of Jerusalem