1100
| Years: 1097 1098 1099 - 1100 - 1101 1102 1103 | |
| Decades: 1070s 1080s 1090s - 1100s - 1110s 1120s 1130s | |
| Centuries: 10th century - 11th century - 12th century | |
- 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