This is the 'Summit' template. It should be called in the following format:
{{Summit
|url=http://meego.summit.fi/2011
|start=Feb 22, 2011
|end=Feb 24, 2011
|where=Tampere
|series=MeeGo
|topics=community, meego, finland
|schedule=http://meego.summit.fi/2011/public/schedule/grid
|speakers=http://meego.summit.fi/2011/public/schedule/speakers
|presentations=http://meego.summit.fi/2011/public/schedule/proceedings
|cfppage=http://meego.summit.fi/2011/cfp/87
|cfppaperdeadline=January 11, 2011
|logo=Meego.jpg
}}
Edit the page to see the template text.