The name of the Danish flag,the Dannefrog,meaning “the flag of the Danes"or "the red flag",is fist encountered in the Danish text from 1478 and in a Netherland's text from 100 years before that.In the Netherlandis' armariol(GELre) from 1370-1386 a red banner with white cross is annexed to the coat of arms of Veldemar IV Atterdag.
好像没什么大错误么.