History of Mac OS

Main

Creation of Mac OS

January 24, 1984

Version 1.0

Version 1.1

May 5, 1984

Version 2.0

April 1985

Version 2.1

September 1985

Version 3.0

January, 1986

Version 3.1

February 1986

Version 3.2

June 1986

Version 3.3

January 1987

Version 4.0

January 1987

Verison 4.1

March 1987

Version 4.2

October, 1987

Version 3.4

1988

Version 4.3

1988

Version 6.0

April 1988 - 1992

From 6.0. - 6.0.8L

System 7

May 13, 1991 - July 6,1997

System 8

July 26, 1997 - October 23,1999

OS X Server 1.0

1999 - March 2001

System 9

October 23, 1999

Mac OS X v10.0

March 24,2001 - September 25, 2001

Cheetah

Mac OS X v10.1

September 25, 2001 - August 23, 2002

Puma

Mac OS X v10.2

August 23, 2002 - October 24,2003

Jaguar

Mac OS X v10.3

October 24, 2003 - April 29,2005

Panther

Mac OS X v10.4

April 29, 2005 - October 26, 2007

Tiger

Mac OS X v10.5

October 26, 2007 - June 8, 2009

Leopard

Mac OS X v10.6

June 8, 2009 - July 20, 2011

Snow Leopard

Mac OS X v10.7

July 1, 2011 - July 25, 2012

Lion

OS X v10.8

July 25, 2012 - Current

Mountain Lion