From Joomla! Documentation
The Joomla! community has a long history of Joomla!Day events from around the world. Let's document these here, so we can ensure we have a historical timeline of Joomla!Days.
Instructions: please add the name, date, location, and if possible the web address, of any Joomla!Days that have happened in the past. Please use the following format: Name_of_Joomla!Day - Month DD-DD, YYYY - City, Country
Joomla!Day USA West - September X-Y, 2007 - Mountain View, California, USA