Hi,
Sorry for the short notice - I'm currently slightly unorganized due to general workload and other stuff.
There will be a Wiki Hackathon at the end of this month. The event will be held at the Unperfekthaus in Essen, Germany:
Day 1, March 31 11:00 Arrival at the Meeting 16:00 Official end of first Workshop day 20:00 Socializing
Day 2, April 1 9:00 Start 17:00 End of Workshop
https://wiki.fsfe.org/Teams/WikiCaretakers/Hackathon2017
Cheers, Johannes
P.S.: Thanks to Paul for organizing this event!