The second Battle outside northern Öland was a sea battle fought during the Northern Seven Years' War between Sweden against Denmark and the Free City of Lübeck, on 14 August 1564. Sweden who suffered one ship (Elefanten) won the battle over the allies whom suffered three captured ships (Böse Lejonet, Morian, David).
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Text from the Wikipedia article “Action of 14 August 1564”, available under CC BY-SA 4.0.