Don’t be shy if you are a non-Danish-speaking WordPress fan in the neighborhood that day. The announcement might be in Danish, but everyone can speak English.
Blog, tweet, spread the word. These get-togethers are an excellent support for WordPress users.
For those reading this from a location too far away to make attendance possible, have you considered starting your own meetup for your area? Saying it’s worth it is a bit of an understatement. Try it!