Country: City
When: date and time
Where: good place to work (map)
What: description of the planned event
Provided: anything provided by the job like computers and other hardware, etc
Bring: anything people should bring, like computers, laptops, OpenPGP fingerprints, etc
More info: link to the page where people can get more information and/or discuss event
Promotion: links to mails, blog posts, tweets or other promotion done for the event.
Reports: links to reports, blog posts, photos etc about the event.