2005

February 11 – Original World of Warcraft launches in Europe. [1 year 11 months]

2007

January 16 – The Burning Crusade expansion released. [1 year 10 months]

2008

November 13 – The Wrath of the Lich King expansion released. [2 years]

2010

December 7 – Cataclysm expansion released [1 year 10 months]

2012

September 25 – Mists of Pandaria expansion released in North America and Europe. [2 years 1 month]

2014

November 13 – Warlords of Draenor expansion released in North America and Europe.