Eastern Hemisphere in 1100 AD.

Events

• December 25 – Baldwin I becomes King of Jerusalem.

• August 5—Henry I becomes King of England.

• King Henry I proclaims the Charter of Liberties, one of the first examples of a constitution.

• Baldwin of Bourcq becomes Count of Edessa.

• Dagobert of Pisa becomes Latin Patriarch of Jerusalem.

• Bohemund I of Antioch is captured by the Danishmends at the Battle of Melitene, leaving Tancred as regent of the Principality of Antioch.

• The cities of Kalmar, Kungälv, and Varberg, Sweden are chartered.

• In Iceland, the Althing decides that the laws should be transferred to a written form.

• Checkers is invented (approximate date).

• The Ancient Pueblo Peoples culture rises (approximate date).

• Oraibi becomes and remains the first and oldest populated settlement in the USA and what is now Arizona.

• The city of Cusco, Peru is founded.

• The Liao Dynasty crushes the Zubu and takes their khan prisoner.

• Song Dynasty China's population reaches roughly 100 million.

• In the Song Dynasty capital of Kaifeng, the number of registered people within the walls is 1,050,000; the army stationed there boosts the overall populace to some 1.4 million people.

• Genoa, Venice and Pisa gain trading privileges in return for their service in the Crusades.

• Emperor Huizong of Song starts to rule in China.

Births

• May 23—Emperor Qinzong of China (d. 1161)

• Mary and Eliza Chulkhurst, English conjoined twins (d. 1134)

• Gilbert de Clare, 1st Earl of Pembroke (d. 1148)

Deaths

• January 8—Antipope Clement III

• February 23—Emperor Zhezong of China (b. 1077)

• July 18—Godfrey of Bouillon, King of Jerusalem

• July 23—Warner of Grez, crusader, relative of Godfrey

• August 2—William II of England

• September 16—Bernold of Constance, German chronicler

• October 13—Count Guy I of Ponthieu

• November 11 – Archbishop Thomas I of York

• December 22—Duke Bretislav II of Bohemia