| [December 27th - 29th] | Chaos Communications Congress, Berlin, Germany
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| [November 29th - 30th] | LinuxPro 2004, Warsaw, Poland
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| [November 26th - 28th] | Southtyrol Free Software Conference 2004, Bolzano, Italy
|
| [October 30th] | Practical Linux, Gießen, Germany
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| [October 30th] | Linux-Info-Tag Dresden, Dresden, Germany
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| [October 26th - 28th] | LinuxWorld Expo Frankfurt 2004, Frankfurt, Germany
|
| [October 22nd] | OS04, Soapfactory Graz, Austria [Report]
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| [October 22nd - 24th] | Berlinux 2004, Berlin, Germany
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| [October 21st - 23rd] | 5to Encuentro Linux, Valparaiso, Chile
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| [October 18th - 22nd] | Systems 2004, Munich, Germany [Report]
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| [October 16th - 17th] | Mini Italian Debconf, Sesto S. Giovanni, Italy [Report]
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| [September 29th] | Free Software Bazaar (SANE), RAI Centre, Amsterdam, The Netherlands
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| [September 7th - 10th] | International Linux Kongress 2004, Erlangen, Germany
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| [July 28th - August 1st] | LinuxFest VI / FLOSS Conference, Borovsk, Russia
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| [June 23rd - 26th] | LinuxTag, Karlsruhe, Germany
|
| [June 10th - 12th] | Wizards of OS, Berlin, Germany
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| [May 26th - 29th] | 3rd Linuxwochen, Vienna, Austria [Report]
|
| [May 26th - June 5th] | Debian Conference 4, Porto Alegre, Brazil
|
| [May 6th - 8th] | Webb.it 2004, Padova, Italy
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| [April 20th - 21st] | Linux User & Developer Expo 2004, Olympia, London, United Kingdom [Report]
|
| [March 18th - 24th] | CeBIT, Hannover, Germany [Report]
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| [March 12th] | SAGE-AU VIC IT Symposium, Melbourne, Australia
|
| [March 11th] | European Conference of Advanced Computer Technics, Zaragoza, Spain
|
| [March 6th - 7th] | 6th Chemnitzer Linux-Tag, Chemnitz, Germany
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| [March 6th - 7th] | 2nd Wilhelmshavener GNU/Linux Information Days, Wilhelmshaven, Germany [Report]
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| [February 21st - 22nd] | Free and Open Source Software Developers' Meeting, Brussels, Belgium [Report]
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| [February 18th - 20th] | Open Source World Conference, Malaga, Spain
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| [February 16th - 17th] | Linux-Expo Ulm, Ulm, Germany
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| [February 3rd - 5th] | Solutions Linux, Paris, France [Report]
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| [January 20th - 23rd] | LinuxWorld Expo, New York, U.S.A. [Report]
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