stable 4

• Debian GNU/Linux 7.0 "Wheezy" gone stable May 5, 2013
• Debian GNU/Linux 6.0 "Squeeze" gone stable ;) Feb 6, 2011
• Debian GNU/Linux 5.0 "Lenny" released, Squeeze incoming :p Feb 15, 2009
• Oh, I forgot... Apr 13, 2007