Henry the Lion
In 1164, after Saxon duke Henry the Lion finally defeated rebellious Obotrites and Pomeranian dukes in the Battle of Verchen. The Pomeranian duchies of Demmin and Stettin became Saxon fiefs, as well as the Obodrite territories, which became Mecklenburg, named after the Obotrites residential capital, Mecklenburg Castle. After Henry the Lion lost his internal struggle with Emperor Frederick I, Mecklenburg and Pomerania became fiefs of the Holy Roman Empire in 1181.