The castle is mentioned in 1263, when Waldemar Birgersson married the Danish princess Sophia.
This led her, in 1868, to contract one of those conventional marriages in vogue at the time, with a young student, Waldemar Kovalevsky, and the two went together to Germany to continue their studies.
In 1219 Waldemar II.
By his efforts the northern portion of the race were made submissive to the Danish crown; but, though conquered, they were by no means subdued, and were incessantly in revolt, until, after a great rebellion in 1343, Waldemar IV.
On Arcona in Wit tow are the remains of an ancient fortress, enclosing a temple which was destroyed in 1168 by the Danish king Waldemar I., when he made himself master of the island.