Particularly odd since the Swedish calendar has had a lot of leap-day shenanigans, including a one-time Feb 30th. https://en.wikipedia.org/wiki/List_of_non-sta

Particularly odd since the Swedish calendar has had a lot of leap-day shenanigans, including a one-time Feb 30th. https://en.wikipedia.org/wiki/List_of_non-standard_dates#February_30 https://en.wikipedia.org/wiki/List_of_non-standard_dates#Feb...