The Velo-city 2011 conference took place in Seville (Spain) from 23-25 March 2011. The event was a great success with over 900 participants, and 120 speakers. It featured prominent speakers, such as Dr. Gro. Brundtland (former Prime Minister of Norway, author of the UN’s influential Brundtland Report), and also saw the unveiling of the Charter of Seville.
You can also find a great video teaser for the conference here