South Jutlandic
An interesting variety of South Jutlandic was spoken until the 1940s in an area west of the town of Schleswig, 40 km south of the present border. Called "Fjoldedansk" after the village Fjolde (German: Viöl) or "sydslesvigsk" (southern Schleswigian), the dialect had many archaic features otherwise lost in Danish, such as verbs fully inflected in person and number. The village was isolated between surrounding moorland, creating a language island, similar to the case of the Saterland Frisian language.