TIL that in Sweden dancing without a license is banned! "Illegally moving one's feet to music" is a jailable offense.
Source: https://www.independent.co.uk/travel/news-and-advice/sweden-dancing-illegal-spontaneous-law-a7905531.html
Source: https://www.independent.co.uk/travel/news-and-advice/sweden-dancing-illegal-spontaneous-law-a7905531.html