BlizzCon's a semi-regular convention held by Blizzard Entertainment to celebrate their major franchises: Warcraft, StarCraft and Diablo. General information BlizzCon first started in October of 2005, held at the Anaheim Convention Center where it's been held since. Some features included the announcements of release of new content for their franchises, previews of content for upcoming games, and Blizzard developer Q&A sessions. Throughout the days are hands-on experience of new and existing gam… (More on Blizzcon)