| Timeline of Key Dates | Timeline of King Henry I of Key events |
| 1100 to 1135 | The reign of King Henry I - 1100 to 1135 |
| 1068 | Born in 1068 - the exact date of birth unknown. He was the fourth son of William the Conqueror and his mother was Queen Matilda of Flanders |
| 1100 | Crowned on 5 August 1100 at Westminster |
| 1100 | 11th November 1100: He married Edith, the daughter of Malcolm Greathead, King of Scotland. She was known as either Matilda or Maude. they had two children William Adelin and Maude (Latin name was Matilda) |
| 1101 | 1101 July - The Treaty of Alton. Robert Duke of Normandy landed at Portsmouth. He and Henry signed a treaty where Robert gave up his claim to the throne of England in return for 3,000 marks a year. |
| 1106 | Robert Curthose, William the Conqueror's eldest son and brother to Henry I, led a rebellion against Henry but was defeated and incarcerated by his brother |
| 1114 | January 1114 Matilda, the daughter of Henry I is married to Emperor Henry V |
| 1118 | May 1 - Queen Maude died at the Palace of Westminster |
| 1118 | The Knights Templar order was founded in Jerusalem. Hugh de Payens was chosen by the knights as the first master of the order |
| 1120 | William Adelin, the son of King Henry I died on 25 November 1120 |
| 1121 | 29 January 1121, King Henry I, Beauclerc, married Adeliza, daughter of Godfrey I of Leuven, there were no children from this marriage |
| 1126 | December - Henry holds a council at Woodstock |
| 1134 | Robert Curthose, William the Conqueror's eldest son and brother to Henry I, died in captivity in Cardiff Castle |
| 1135 | King Henry I, Beauclerc, died on December 1135 at St. Denis le Fermont in Normandy. |