So far, walking in Germany has involved puzzling over a lot of doors. We’ve seen these mysterious equations on a lot of the doors we’ve passed:
After a bit of Googling, we found out it’s part of a catholic tradition people have been following since the 1500s.
Kids dress up as one of the Magi (Casper, Melchior or Balthasar) and go door to door collecting for a good cause.
The letters are an abbreviation for the Latin ‘Christus maisonem benedictat’, which means ‘Christ blesses this house’. The ‘20’ and ‘17’ are this year so the last 2 numbers change each time. After they’ve done their rounds, the kids get to write the equation on the door.
Here are some more we’ve seen along the way.