 The Hohenstaufen rule in Italy and the Meezogiorno is documented by the chronicles of Archbishop Romuald of Salerno and Richard of San Germano.Henry's conflict with King Richard I of England is rendered by Roger of Hoveden and Gervase of Tilbury, expressing their negative attitudes towards the emperor.Later historians stressed the fact of Henry's early death and the succeeding throne quarrel as a stroke of fate and a major setback for the development of a German nation state begun under his father Frederick Barbarossa.