Müller’s Labour Day by Andra Riemhofer

As a child I just didn’t get it. Why would people NOT work on Labour Day? Which in German is “Tag der Arbeit” – “Day of Work”. I totally missed the concept. Even I have never been on the street on 1st of May. Maybe I’ll be starting by watching some YouTube videos about the history of this say tonight.
Wishing you a … what is it what you say today? “Happy Holiday” or “Nice long weekend” doesn’t sound appropriate, does it?