World of Warcraft: The Gates of Ahn'Qiraj (2006)

Release Date: January 3, 2006
Developer: Blizzard Entertainment

Patch 1.9.0: The Gates of Ahn'Qiraj is a content patch for World of Warcraft that released on 3 January 2006. This major content patch introduced the Ahn'Qiraj raid complex and its unprecedented realm-wide launch event as well as giving paladins a talent and balance overhaul. Additional changes included a revamp of the Timbermaw Hold faction, quests and NPCs, Soul Shard bags for warlocks, unification of the Auction Houses for each faction (and the "neutral faction") on each realm, a rework to the raid lockout system, improvements to the guild UI, and reworks of some racial traits, among many others.