Check out the directory in your MediaWiki extension path and add
wfLoadExtension( 'OSMCALWikiWidget' );to your LocalSettings.php.
The extension registers the osmcal tag. The simplest usage is
<osmcal/>on a wiki page, which will display all upcoming events, worldwide.
It has three optional parameters:
in: Limits displayed events to a certain country, e.g. <osmcal in="de" /> will display events in Germany.limit: Limits displayed events to a certain count, e.g. <osmcal limit="3" /> will display the next 3 events.lang: Sends the given language code to the API, thus formatting the dates in the specified language, e.g. <osmcal lang="fr" /> will display all upcoming worldwide events, with the dates in French.nobanner: Doesn't display the "Add to OpenStreetMap Calendar banner" at the bottom, e.g. <osmcal nobanner />.around: Specify the centerpoint of the area of which events should be displayed. A hardcoded radius of 50km is queried. The format of the parameter is "