Notker of bSt/b Gall) provide the earliest historical evidence of the Danes. These report a King Gudfred, who appeared in present day Holstein with a navy in 804 C.E. where diplomacy took place with the Franks; In 808, the same King Gudfred attacked the ... The reign of bKnud/b represented the peak of the Danish Viking age. King bKnud's/b North Sea Empire included Denmark (1018), Norway (1028), England (1035) and held strong influence over the north-eastern coast of Germany. ...