- Company founded as Silicon & Synapse by chairman Allen Adham, president Michael Morhaime and vice president Frank Pearce.
- Acquired by Davidson & Associates for under $10 million.
- The company title Blizzard is established, and their first title under the new name, Warcraft: Orcs and Humans is released.
- Davidson & Associates (and Blizzard along with it) was acquired by a timeshare company called CUC International.
- Acquires Blizzard North
- The free online service named Battlenet is launched to support multiplayer gaming for Diablo.
- CUC International (owner of Blizzard) merged with HFS Corporation to form Cendant Software.
- Cendant Software sold its consumer software operations, including Blizzard, to French publisher Havas. In the same year Havas was purchased by Vivendi. Blizzard became part of the VU Games group of Vivendi Universal
Jun 20, 2003:
- The company obtains a cease and desist order against an open source clone of the Warcraft engine called Freecraft. This hobby project had the same gameplay and characters as Warcraft II, but came with different graphics and music, and was written from scratch without code from Blizzard.
- Senior artist Ru Weerasuriya and senior software engineer Andrea Pessino leave the company to form Ready for Dawn Studios with Didier Malenfant.
- Co-founder Allen Adham, who had the position of Vice President of Game Design for the last few years, leaves the company. He will stay on in a consulting role.
- Blizzard opens a new office in France, especially aimed at the localization and management of World of Warcraft in Europe.
Mar 09, 2005:
May 16, 2005:
- The company acquires Swingin' Ape Studios. Swingin' Ape will establish the foundation for Blizzard's new console team and will continue development on StarCraft: Ghost in that role.
Aug 01, 2005:
- The company closes its Redwood City development studio in Northern California. The majority of the staff is relocated to the company's Irvine office.
Sep 02, 2005:
- A federal appeals court rules that computer programmers do not have the right to reverse-engineer Blizzard Entertainment's video games to improve their playability. This is aimed at the defendants in the case, Ross Combs and Rob Crittenden, and their "bnetd" project, which lets Blizzard games connect with unofficial servers, yielding benefits like faster response times.
Dec 02, 2007:
- When Activision Publishing, Inc. announces to merge with Vivendi Games, Blizzard Entertainment Inc. becomes part of the new company: Activision Blizzard.
Dec 24, 2008:
- Opened Russian section on official corporate website.