A more thorough explanation:

Definition: Dictum de Kenilworth is a historical agreement between Edward I and the barons who opposed him under the leadership of Simon de Montfort. The agreement concerned rent on the lands forfeited in the rebellion and was made at Kenilworth castle in Warwickshire in A.D. 1266. It was published in the Statutes of the Realm and 52 Hen. 3.

Example: The Dictum de Kenilworth was an important agreement that helped to resolve the conflict between Edward I and the rebellious barons. It established a framework for the payment of rent on the lands that had been forfeited during the rebellion, which helped to restore order and stability to the kingdom.

Explanation: The example illustrates how the Dictum de Kenilworth was an important historical agreement that helped to resolve a conflict between the king and his rebellious subjects. By establishing a framework for the payment of rent on forfeited lands, the agreement helped to restore order and stability to the kingdom, which was essential for the long-term prosperity of the realm.