Walpurgis night (Valborgsmässoafton in Swedish and Vappu in Finnish), is a great celebration in Sweden and Finland. The tradition comes from Germany and celebrates of the 8th century abbess Saint Walpurga. (St. Walpurga inspired Walburga Black, one of the witches in the Harry Potter series of children’s books.) Since the Middle Ages the last day… More Walpurgis Night Is Upon Us