Based on [WayBack] macOS – Wikipedia and follow-up of OS X – the versions and their names – as I always forget them and osx – How to find out Mac OS X version from Terminal? (via: Super User)
Release history (with release dates):
- 2000-09-13 – Mac OS X Public Beta
- 2001-03-23 – Mac OS X 10.0 Cheetah
- 2001-09-25 – Mac OS X 10.1 Puma
- 2002-08-23 – Mac OS X 10.2 Jaguar
- 2003-10-24 – Mac OS X 10.3 Panther
- 2005-04-29 – Mac OS X 10.4 Tiger
- 2007-10-26 – Mac OS X 10.5 Leopard
- 2009-08-29 – Mac OS X 10.6 Snow Leopard
- 2011-07-20 – Mac OS X 10.7 Lion
- 2012-07-25 – OS X 10.8 Mountain Lion
- 2013-10-22 – OS X 10.9 Mavericks
2014-10-16 – OS X 10.10 Yosemite
- 2015-09-30 – OS X 10.11 El Capitan
- 2016-09-20 – macOS 10.12 Sierra
- 2017-06-05 – macOS 10.13 High Sierra
The graph with Apple Mac OS X / OS X / Mac OS versions cannot do without a graph showing the BSD and Unix inheritance.
Graph origins:
- File:Mac OS X Timeline of Versions.png – Wikipedia
- File:Unix timeline.en.svg – Wikipedia
- File:Unix history-simple.svg – Wikipedia
More complete Mac OS X / OS X / Mac OS and Unix timelines are below from macOS version history – Wikipedia.
–jeroen