Editing Sweyn II of Denmark (section)

===Accession to the throne===
Sweyn was born in [[England]],<ref name="bricka">[[Bricka, Carl Frederik]], ''Dansk Biografisk Lexikon'', vol. XVII [Svend Tveskjæg – Tøxen], 1903, [https://runeberg.org/dbl/17/0005.html pp.3–5].</ref> as the son of [[Ulf Thorgilsson]] and [[Estrid Svendsdatter]], the latter of whom was the daughter of King [[Sweyn I Forkbeard]] and sister of Kings [[Harald II of Denmark|Harald II]] and [[Canute the Great]]. Sweyn grew up a military leader, and served under king [[Anund Jacob of Sweden]] for a time.<ref name="bricka"/> He pillaged the [[Elbe-Weser Triangle|Elbe-Weser]] area in 1040, but was caught by the [[Archbishop of Hamburg-Bremen]], who released him shortly thereafter.<ref name="pajung">Stefan Pajung, [http://danmarkshistorien.dk/leksikon-og-kilder/vis/materiale/svend-estridsen-ca-1019-107476/ Artikel: Svend Estridsen ca. 1019-1074/76], danmarkshistorien.dk, [[Aarhus University]], January 19, 2010</ref>

Svend was made a ''[[Earl|jarl]]'' under Danish king [[Harthacnut]] (the two were [[first cousins]]),<ref name="bricka"/> and led a campaign for him against Norway, but was beaten by [[Magnus I of Norway]].<ref name="pajung"/> When Harthacnut died in 1042, Magnus claimed the Danish throne and made Svend the ''jarl'' of [[Jutland]].<ref name="vsm">Louise Kæmpe Henriksen, [https://www.vikingeskibsmuseet.dk/fagligt/e-laering/vikingetidens-mennesker/historiske-personer/svend-estridsen-af-danmark Historiske Personer – Svend Estridsen – konge af Danmark 1047–74.], ''vikingeskibsmuseet.dk''</ref> In 1043, Sweyn fought for Magnus at the [[Battle of Lyrskov Heath]] at [[Hedeby]], near the present-day [[Denmark–Germany border|border of Denmark and Germany]].<ref name="pajung"/> Sweyn won a great reputation at Lyrskov Heath, and had the Danish nobles crown him king in [[Viborg, Denmark|Viborg]] in Jutland.<ref name="vsm"/> He was defeated by Magnus on several occasions, and had to flee to [[Sweden]]. Eventually he managed to return and establish a foothold in [[Scania]].<ref name="pajung"/>

The war between Magnus and Sweyn lasted until 1045, when Magnus' uncle [[Harald Hardrada]] returned to Norway from exile. Harald and Sweyn joined forces, and Magnus decided to share the Norwegian throne with Harald.<ref name="bricka"/> In 1047 Magnus died, having stated on his deathbed that his kingdom would be divided: Harald would get the throne of Norway, while Sweyn would be king of Denmark.<ref name="vsm"/> Upon hearing of Magnus' death Sweyn said, "Now so help me God, I shall never yield Denmark".<ref name="huitfeldt">[[Arild Huitfeldt|Huitfeldt, Arild]]. Danmarks Riges Krønike</ref>