2013-03-01 to 2015-03-31: Dev:
Registered by ahmed on 2013-03-01
2015-05-05 to 2015-05-07: UOS 15.05:
Ubuntu Online Summit, highlighting work from Ubuntu 15.04 and detailing plans for 15.10
Registered by Michael Hall on 2015-03-27
Launchpad can help you organize your developer sprints, summits and gatherings. Register the meeting here, then you can invite people to nominate blueprints for discussion at the event. The meeting drivers control the agenda, but everyone can see what's proposed and what's been accepted.