List of 1100 Major News Events in History, Most Important Historical Events in 1100
| Date | Event |
|---|---|
| August 5, 1100 | Henry I is crowned King of England in Westminster Abbey. |
| September 8, 1100 | Election of Antipope Theodoric. |
| November 11, 1100 | Henry I of England marries Matilda of Scotland, the daughter of Malcolm III of Scotland and a direct descendant of the Saxon king Edmund Ironside; Matilda is crowned on the same day. |
| December 25, 1100 | Baldwin of Boulogne is crowned the first King of Jerusalem in the Church of the Nativity in Bethlehem. |