GNU system, free software celebrate 30 years

BOSTON, Massachusetts, USA — Friday, September 6, 2013 — The Free
Software Foundation (FSF) today announced plans to celebrate the 30th
anniversary of the GNU operating system. The celebratory activities
will include a 30th anniversary hackathon at MIT in Cambridge, MA,
satellite events around the world, and ways for people to celebrate
online.
Source: Free Software