The Nordic Seven Years' War (1563-1570) was a conflict primarily between the kingdoms of Denmark-Norway and Sweden. It arose from territorial disputes and competition for dominance in the Baltic Sea region. The war saw several battles and naval engagements, with both sides seeking to expand their influence. The conflict ended with the Treaty of Stettin in 1570, which restored the status quo but did not resolve underlying tensions. The war had significant economic impacts on the involved nations and marked a period of shifting power dynamics in Northern Europe, influencing future relations among the Nordic countries.