When was the WordPress released initially? When is it announced as open source software?

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WordPress was initially released on 27th May 2003 by Matt Mullenweg and Mike Little. WordPress was announced as open source in October 2009.

For a WordPress interview question regarding its release and announcement as open-source software, the correct answers would be:

  1. Initial Release: WordPress was initially released on May 27, 2003.
  2. Announcement as Open Source Software: WordPress was announced as open-source software on October 25, 2009.