Why is Whitmonday celebrated in the Federal Republic of Germany?

Answer 1

Many of Germany's holidays have a religious significance. Although the citizens may not be Roman Catholics, the holiday was organized around this day.

In 2005, the holiday changed from a legal holiday to a voluntary holiday. Germans are allowed a few voluntary holidays each year and this might be one that a citizen would choose. Many Germans take off to celebrate or just to have the day off but lose one of their voluntary holidays if they do.