Activision is an American video game company. It was the first third party in the industry's history. It was founded on October 1, 1979. On July 9, 2008, it merged with Vivendi to make a new company called Activision Blizzard. Activision is best known for Tony Hawk's Pro Skater, Call of Duty, and Guitar Hero.
- Rachel Rosmarin (2 December 2007). "Vivendi To Merge With Activision". Forbes. Forbes.com LLC. Retrieved 22 August 2012.