Stephen, King of England recognised Stephen's son Eustace as Duke of Normandy in exchange for Eustace giving fealty to the French king. Stephen was less successful, however, in regaining the Argentan province along the Normandy and Anjou border, which Geoffrey had taken at the end of 1135. Stephen formed an army to retake it, but the frictions between his Flemish mercenary forces led by William of Ypres and the local Norman barons resulted in a battle between the two halves of his army. The Norman forces then deserted the King, forcing Stephen to give up his campaign. Stephen agreed to another truce with Geoffrey,
The History of the Norman Conquest of England He was much involved in politics and not unreasonably regarded participation in government as useful training for a historian…Above all, he had tremendous zest. Marjorie Chibnall added that in his knowledge of medieval chronicles Freeman had no rival. As a set-off to this list Barlow noted Freeman's dogmatism, pugnacity and indifference to various subjects he considered irrelevant to his survey of 11th century England: theology, philosophy, and most of the arts. Freeman went on to publish a history of "The Reign of William Rufus" (1882), in two volumes. He also wrote a series of works on the Anglo-Saxon and Norman