Eustace fitz John construction of fortifications at Tickhill and Knaresborough in Yorkshire are also recorded in this pipe roll. This and evidence of royal writs show that Eustace and Walter Espec had justiciar responsibility for the counties of Cumberland, Northumberland, Durham, and Yorkshire, a role that involved hearing pleas and conveying instructions from central government. The death of Henry I on 1 December 1135 led to the accession of Stephen de Blois, to whom Eustace submitted. Stephen's seizure of the throne was contested by Henry I's daughter, the Empress Matilda, who had been Henry's designated heir. The "Gesta Stephani" claimed that certain "very
England in the Middle Ages Black Death, including the Peasants' Revolt that broke out across the south of England in 1381. Over the coming decades, Richard and groups of nobles vied for power and control of policy towards France until Henry of Bolingbroke seized the throne with the support of parliament in 1399. Ruling as Henry IV, he exercised power through a royal council and parliament, while attempting to enforce political and religious conformity. His son, Henry V, reinvigorated the war with France and came close to achieving strategic success shortly before his death in 1422. Henry VI became king at the age of only