Danish folk dance

The ancient folk dance stems back to 1780-1880. Farmers and lower class people usually practiced the dancing in their local communities. They invented their own dances which often turned out to be quite advanced. The costumes were sewn by hand and the materials were often handmade. Embroidery was an important part of the traditional costume. The housewifes stitched and bitched during those cold and dark winternights. It was was their unknown word.
Why is it that I have never heard of this before this project came along? Conclusion: I am learning!