MacOS Timeline By Lachstar Jan 24, 1984 System 1 Apr 2, 1988 System 6 May 13, 1991 system 7 Jul 26, 1997 Mac OS 8 Oct 23, 1999 Mac OS 9 Jun 22, 2001 Mac OS X 10.0 Cheetah Oct 25, 2001 Mac OS X 10.1 Puma Aug 24, 2002 Mac OS X 10.2 Jaguar Oct 24, 2003 Mac OS X 10.3 Panther Apr 29, 2005 Mac OS X 10.4 Tiger Oct 26, 2007 Mac OS X 10.5 Leopard Aug 28, 2009 Mac OS X 10.6 Snow Leopard Jul 20, 2011 Mac OS X 10.7 Lion Jul 25, 2012 Mac OS X 10.8 Mountain Lion Oct 22, 2013 OS X 10.9 Mavericks Oct 16, 2014 OS X 10.10 Yosemite Sep 30, 2015 OS X 10.11 El Capitan Sep 20, 2016 MacOS 10.12 Sierra
