at FrOSCon 8 on 23 Aug 2013 – 25 Aug 2013

at Hilton Montreal Bonaventure on 25 Feb 2013 – 1 Mar 2013

at Mainz on 13 Oct 2012 – 17 Oct 2012

at Maritim proArte on 2 Jun 2012 – 6 Jun 2012

at Best Western Ter Elst on 26 Jan 2012 – 28 Jan 2012

at Rheingoldhalle, Mainz on 8 Oct 2011 – 12 Oct 2011

at Maritim proArte Hotel on 28 May 2011 – 1 Jun 2011

at Amsterdam RAI on 18 May 2011 – 21 May 2011

at Hotel San Marco on 10 May 2011 – 14 May 2011

at Hotel Ter Elst, Antwerp on 27 Jan 2011 – 30 Jan 2011

at Corropoli (TE), Italy on 12 May 2010 – 15 May 2010

at Congress Center, Karlsruhe on 15 Nov 2009 – 18 Nov 2009