"1806-08-06Z"^^ . "Brandenburg"@en . . "March/Margraviate of Brandenburg"@en . "Mark/Markgrafschaft Brandenburg"@en . . "The Margraviate of Brandenburg (German: Markgrafschaft Brandenburg) was a major principality of the Holy Roman Empire from 1157 to 1806. Also known as the March of Brandenburg (Mark Brandenburg), it played a pivotal role in the history of Germany and Central Europe.Brandenburg developed out of the Northern March founded in the territory of the Slavic Wends."@en . . "1157-10-03Z"^^ . . "1806Z"^^ . "1157Z"^^ .