^Andrew Evans. Iceland. Bradt. 2008 [31 December 2007]. ISBN 9781841622156. (原始内容存档于27 April 2023). Legend states that a red cloth with the white cross simply fell from the sky in the middle of the 13th-century Battle of Valdemar, after which the Danes were victorious. As a badge of divine right, Denmark flew its cross in the other Scandinavian countries it ruled and as each nation gained independence, they incorporated the Christian symbol.