Note 1205 — Chapter VI · THE DANISH KINGS IN ENGLAND.[818] 1017–1042. (continued 3)
Reading edition
So at least it would appear from Adam of Bremen, ii. 74. “Magnus statim invadens Daniam, possedit duo regna, Hardechnut rege Danorum cum exercitu morante in Anglia.” But it is hard to make this agree with the Saga of Magnus, which speaks of no occupation of Denmark by Magnus till after Harthacnut’s death.