 The control over the town was left to the king's brothers, who established a short-lived tyranny.In 1450, Christian became king of Norway and in 1457 king of Sweden; in 1460 he inherited the Duchy of Schleswig and the County of Holstein, which significantly affected Oldenburg's future.In 1454, he handed over Oldenburg to his brother Gerhard (c. 1430-1499), who constantly warred with the bishop of Bremen and other neighbors.