On this date, December 1, in medieval history:
- 1135 – King Henry I of England, the fourth son of William the Conqueror, dies. He was buried at Reading Abbey.
- 1170 – Thomas Becket reconciles with King Henry II and returns to his See at Canterbury after a six-year-long exile.
*image source: Miniature of King Henry I, from illuminated Chronicle of Matthew Paris (1236-1259), British Library, MS Royal 14 CVII, f.8v