The name Oskarström is not named after the Swedish kings Oscar I or Oscar II but bookkeeper Oscar Bjorkman who was born in Ulricehamn and who in 1844 bought a piece of land with waterfalls by the Nissan river.
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During the Nordic Seven Years' War (1563-1570) the Swedes led by commander Charles de Mornay fought against the forces of the Danish King Frederick II at the Battle of Mared, which stood where the present Oskarström now located.