Whakaotihia te rerenga e whai ake nei: I te tau 1427, he wikitoria nui te ope o te Kalmar Union i te pakanga ki te Hanseatic League. 1 Hōngongoi 1677, he
He pakanga moana i waenganui i tētahi waka Danish-Norwegian me tētahi waka Swedish nui ake i puta i te moana. Ko te hua ko te wikitoria a Dano-Norwegian, i arahina e Admiral Niels Juel. I whawhai he pakanga kore i waenga i te ope Dano-Norwegian me Sweden i te tau 1710.