• The Template namespace initialisation script moves all non-interface messages from the MediaWiki namespace to the Template namespace. It also changes every instance of {{msg:name}} to {{name}} in the database.
• Wikipedia:Half-million pool opens. Go there and vote on when you think the English wikipedia will hit 500,000 articles.
• Jimbo has declared today (June 1) to be Brion Vibber Day.
• A vote on artificial languages equal rights is started on Meta: Meta:Artificial languages equal rights
• The English Wikipedia was the final Wikipedia to be upgraded to MediaWiki 1.3, on 29 May. Please report bugs to m:MediaWiki 1.3 comments and bug reports.
• Wikipedia now supports the use of categories. Wikipedia:Categorization will be the center for coordinating efforts to categorize wikipedia. See m:MediaWiki User's Guide: Using Categories and m:Categorization requirements for more information on categorization.
  • After one week, we have almost 3000 categories.
• Voting has begun in the Elections for the Wikimedia Board of Trustees
• Jrdioko, Mirv and Niteowlneils become administrators. Congratulations!
• Sysops obtain the ability to edit the site's monobook stylesheet at MediaWiki:Monobook.css!
• There is discussion (including several polls) on suggested modifications to the monobook stylesheet at MediaWiki talk:Monobook.css.

Articles featured on the Main Page

• Chinatown (May 30)
• Helium (May 31)
• Simon & Garfunkel (June 1)
• Carl Sagan (June 2)
• Speech synthesis (June 3)
• Belgium (June 4)
• Dmitri Shostakovich (June 5)

Articles that gained "featured" status

• Zeppelin (June 3)
• Transit of Venus (June 5)
• Emacs (June 5)

Pictures that gained "featured" status

• Bumblebee (June 1)
• Paris from Notre-Dame (June 6)