<Tr> <Th> Mode (s) </Th> <Td> Multiplayer </Td> </Tr> <P> World of Warcraft (WoW) is a massively multiplayer online role - playing game (MMORPG) released in 2004 by Blizzard Entertainment . It is the fourth released game set in the fantasy Warcraft universe, which was first introduced by Warcraft: Orcs & Humans in 1994 . World of Warcraft takes place within the Warcraft world of Azeroth, approximately four years after the events at the conclusion of Blizzard's previous Warcraft release, Warcraft III: The Frozen Throne . Blizzard Entertainment announced World of Warcraft on September 2, 2001 . The game was released on November 23, 2004, on the 10th anniversary of the Warcraft franchise . </P> <P> The first expansion set of the game, The Burning Crusade, was released on January 16, 2007 . The second expansion set, Wrath of the Lich King, was released on November 13, 2008 . The third expansion set, Cataclysm, was released on December 7, 2010 . The fourth expansion set, Mists of Pandaria, was released on September 25, 2012 . The fifth expansion set, Warlords of Draenor, was released on November 13, 2014 . The sixth expansion set, Legion, was released on August 30, 2016 . </P> <P> With a peak of 12 million subscriptions in October 2010 and Blizzard's final report of 5.5 million subscriptions in October 2015, World of Warcraft remains the world's most - subscribed MMORPG, and holds the Guinness World Record for the most popular MMORPG by subscribers . In January 2014, Blizzard announced that more than 100 million accounts had been created over the game's lifetime . </P>

Which of the world of warcraft expansions is the oldest