The world in 1100 AD — what happened that year

10 events the sources record for this year, grouped by region.

What happened

Yelü Wotela captured Magusa and presented him; in the second month he was publicly executed in the marketplace. (History of Liao (Liaoshi) 遼史卷26 壽隆6年 1月)
In the first month of Yuanfu's third year, Emperor Zhezong died; the Empress Dowager took regency behind a curtain to settle the succession. (History of Song (Songshi), Annals 宋史卷019 元符三年)

For the disciples of Basil, the Bogomil leader, a pyre was built at the Tzykisterion in the palace. (Anna Komnene, The Alexiad Dawes 15.9 (문장 21))
Godfrey besieges the coastal city of Assur (William of Tyre, A History of Deeds Done Beyond the Sea Lib. 9 cap. XIX (RHC 판 1-1 줄 27796))
Bohemond, prince of Antioch, is captured at Melitene (William of Tyre, A History of Deeds Done Beyond the Sea Lib. 9 cap. XXL (RHC 판 1-1 줄 27983))
The death and burial of Duke Godfrey (William of Tyre, A History of Deeds Done Beyond the Sea Lib. 9 cap. XXIII (RHC 판 1-1 줄 28164))
Baldwin, count of Edessa, succeeds his dead brother as king (William of Tyre, A History of Deeds Done Beyond the Sea Lib. 10 cap. I (RHC 판 1-1 줄 28342))
While hurrying to Jerusalem, Baldwin meets the enemy at the river Ganis (Dog River) (William of Tyre, A History of Deeds Done Beyond the Sea Lib. 10 cap. V (RHC 판 1-1 줄 28672))
The patriarch and the count are reconciled, and the count is anointed king (William of Tyre, A History of Deeds Done Beyond the Sea Lib. 10 cap. IX (RHC 판 1-1 줄 29100))

King William was shot by an arrow and died, and was buried in Winchester Cathedral (the accident happened during a hunt; the place of death is not stated in the text). (Anglo-Saxon Chronicle Giles/Ingram 1847 A.D. 1100 항 (pg657.txt 줄 8243))