From Eclipsepedia

Template to improve the MediaWiki-ish syntax for embedding Google Calendars within wiki pages. Note that this just delegates to the

<googlecalendar/>

tag, which is magically implemented within the Eclipse.org customizations of MediaWiki.

Usage

Markup	Rendering
{{calendar |width=100% |title=Galileo Release Schedule |id=e7qn66hb96fvgbnlrkfng6n0r0%40 }}