Rose Monday - also known as Rosenmontag - takes place on February 12, 2018. It is the highlight of the German "Karneval" , and is on the Shrove Monday before Ash Wednesday, the beginning of Lent. The "Mardi Gras," though celebrated on Tuesday, is a similar event.
We have placed a detailed description of this event on this page: Rose Monday 2017. For further information please stop by there!