Blizzard Entertainment has announced the date for the World of Warcraft closed Beta. Heres a snippet:

European World of WarcraftTM Closed Beta Sign Up Begins 5th July 2004!
We are pleased to report that the sign-up period for the European Closed Beta Test will officially begin on Monday, 5th July 2004.

A link to the application form will be provided on this page. Please keep in mind that testers will not be chosen on a first-come, first-served basis; applicants will be able to submit an application and receive equal consideration anytime during the three-week sign-up period.

http://www.blizzard.co.uk/