<P> A legend also explains that when the Vikings arrived at the mouth of the river Masma, the holy Bishop of the diocese of Gonzalo Bretoña prayed for protection from the heavens against the forthcoming attack . A major storm was unleashed, sinking most of the fleet and a large number of Vikings fled in their ships . </P> <P> Vikings returned to Galicia in 859, during the reign of Ordoño I of Asturias . It was a contingent of a hundred ships from looting expeditions by the French coast that was now directed toward the Arousa estuary . After looting Iria Flavia they continued to Santiago de Compostela, where they laid siege . Their neighbours had paid tribute to avoid looting, but in spite of this, the Vikings tried to enter the city . They were faced with an army led by Don Pedro who dispersed them and destroyed thirty eight of their ships; after which the surviving Vikings went south . As a result of this expedition the episcopal see of Iria relocated to Santiago de Compostela . In 861, a group of Vikings ransomed García Íñiguez, king of Pamplona, whom they had captured the previous year, for 60,000 gold pieces . </P> <P> In 951, the Vikings reappeared and attacked the Galician coast . Galician cities would then strengthen their defenses over the following years . In 964, the Vikings arrived again in Galicia, because the own bishop of Mondonedo, Rosendo of Celanova, they had to face . In 968 Bishop Sisnando Menéndez of Compostela was killed, the monastery of Curtis was sacked, and measures were ordered for the defense of the inland town of Lugo . </P> <P> The expedition of 1015 was led by Olaf Haraldsson, who later became king Olaf II of Norway . He destroyed four settlements: Castropol, Betanzos, Rivas de Sil and Tui . After Tui was sacked its bishopric remained vacant for the next half - century . </P>

Where did the vikings travel to in england