From OpenStreetMap Wiki
- FOSS4G 2017, 14–19 August, in Boston, USA
- FOSS4G-Europe 2017, 18–22 July, in Champ-sur-Marne (Marne-la-Vallée), near Paris, France
Past events include:
- FOSS4G 2016, 24–26 August in Bonn, Germany.
- FOSS4G 2015, 14-19 September in Seoul, South Korea.
- FOSS4G 2014, 8–14 September in Portland, USA.
- FOSS4G 2013, 17–21 September in Nottingham, United Kingdom.
- FOSS4G 2011 in September in Denver, USA.
- (This was a big one for us since we arranged to have the State Of The Map 2011 OpenStreetMap conference immediately preceding it in Denver)
- FOSS4G 2010 in September in Barcelona, Spain.
- FOSS4G 2009 in October in Sydney, Australia.
- FOSS4G 2008 in September/October in Cape Town, South Africa.