Note that Sebastian Wallroth has already done this for WLM pictures of each competition. Not sure what they look like from the inside though, and what the license specifics are.I tried to get more info via twitter, but didn't succeed so far.  

Lodewijk

On Sat, Feb 14, 2015 at 1:15 AM, Platonides <platonides@gmail.com> wrote:
On Ynhockey wrote:
For example, like this: http://www.timeanddate.com/calendar/create.html
- I am not sure if there's a freely licensed version of this anywhere at
the moment. I'll check what else we can do about this.

—Yan (Ynhockey).

 A calendar generator shouldn't be hard. The tedious part would be to fill the festivities database for all those countries and regions.


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