those filthy danes coming over here and washing their bodies
Saturday = Lördag, in Swedish, the origin of the word has the meaning of “water”, but came to mean ~" bathday".

Etymology of laugardagr:

Compound of laug (“bath”) +‎ dagr (“day”), literally “bath day”. The former element is cognate with English lye

laugardagr - Wiktionary, the free dictionary

Wiktionary
Seems crazy to have everyone bathe on the same day… Should have a rotating schedule imo
But then who’s going to scrub your back?