When Burkhard joined the uprising of Henry the Wrangler against Emperor Otto II, he was deposed at the Imperial Diet of Regensburg in 976, and Leopold was appointed margrave of the East Mark, which was the core territory of the later Archduchy of Austria.
He was deposed at the Imperial Diet of Regensburg in 976. Burkhard joined the uprising of Henry the Wrangler against Emperor Otto II. Leopold was appointed margrave of the East Mark. The East Mark was the core territory of the later Archduchy of Austria.