114 aïtnals of roger de hovedeït. a.d. 1019. In the year 1048, Sweyn regained possession of Denmark, and Harold Harfager, who was the son of Siward, king of Nor-way, and, on the mother's side, brother of Saint Olaf, and on the father's side, unele to king Magnus, returned to Norway, and shortly after sent ambassadors to Edward, king of the English, and offered to him, and received in return, assurances of peace and friendship. On the calends of May, being the Lord's day, there was a great earthquake at Worcester, in the county of the Wiecii, at Derby, and at many other places ; a mortality among men and animals prevailed throughout.many of the provinces of England, and fires in the air, commonly called woodland68 fires, destroyed towns and crops of standing corn in the province of Derby, and some other provinces. In the year 1049, Leo began to reign,90 the hundred and fifth pope ; he was the pope who composed the new Gregorian chaunt. The emperor Henry collected an innumerable force against Bald-win, earl of Flanders, especially because he had burned his palace at Nimeguen, and, most beauteous as it was, destroyed it. Pope Leo took part in this expedition, and a great number of noblemen and grandees of many nations. Sweyn, king of the Danes, as the emperor had commanded him, was there also with his fleet, and on this occasion took the oaths of fealty to the emperor, who sent also to Edmund, king of the English, and requested that he would not allow Baldwin to escape, if he should attempt to do so by sea. In consequence of this, the king went with a large fleet to the port of Sandwich, and remained there until the emperor had obtained of Baldwin every thing he required. In the meantime, earl Sweyn, the son of earl Godwin and Gyta, who had formerly left England, (because he was not allowed to marry Edgiva, abbess of the monastery of Leomin-ster, whom he had debauched), and had gone to Denmark, returned with eight ships, and, dissembling, declared that he would, in future, continue faithful to the king. Earl Beorn, who was the son of the Danish earl TJlph, the uncle of Sweyn, the son of Spralling, the son of TJrse, promised him that he would obtain his request of the king, and that his earldom should be restored to him. Therefore, after earl Baldwin had made peace with the em-peror, the earls Godwin and Beorn, with the king's permission, came with forty-two ships to Pevcnsey ; but the rest of tha ·» Silvaticus. 80 Leo the Ninth.