Helau again! It's time to celebrate Carnival again! And for the celebration (almost) all of us will come to the office on Rose Monday. We can finally celebrate together again, dress up and toast to carnival. The start date of the street carnival is different every year, the beginning of the 5th season always remains the same: Every year on 11.11. sharp at 11:11. Why is it like this? Where does the carnival come from and why do we celebrate it at all? Which name is the correct one? What are the most interesting facts? And what terminology can be used? Here you can find all the information needed.