Annual event, informal atmosphere, many chances to listen, talk, hack, have fun; 29-30 March 2008, Charles University and surrounding pubs, Prague, Czech Republic.

Annual regional event, Pragmatic Programmer Dave Thomas keynote; 1st time is 1-2 April 2008 (April Fools' Day), Copenhagen, Denmark.

By track, 10 July. OSCON conference was 7-11 July 2002, Portland, Oregon.

Annual international community event. Meet Matz. The 7th event is 2-4 November 2007, Charlotte, North Carolina, USA. See writeup and photos of prior events.

Annual RoR conference and workshops. The 1st event is 22-23 April 2006, Network Meeting Center, Santa Clara, California, USA. SDForum.

For users of other dynamic (or less dynamic) languages who want to learn about Ruby. First event is 26 April 2008, Hardesty Library, Tulsa, Oklahoma, USA.