Anachronos
Horde players on the Sulfuras server stopped any Alliance from ringing the Scarab Gong for the entire ten hour war
The gates of Ahn'Qiraj have been thrown open, and players have rushed into the ruins to do battle with the Old God C'thun.
Know Your Lore: The shifting sands of Silithus
Millennia ago, the Old Gods waged a war against the titan-forged and lost -- and Azeroth would never be the same.