Blizzard has announced that BlizzCon 2013 will take place on November 9 and November 10 of this year. There was no BlizzCon last year, but in 2011 the event took place in October.
Many expect Blizzard to showcase Diablo III‘s first expansion at this year's event, along with Blizzard All-Stars, the developer's DOTA game, and possibly a new World of Warcraft expansion...