Major Poker Tournaments

Here is the list of some major tournaments in the US and Europe

North America

World Series of Poker
World Poker Tour
Professional Poker Tour
Poker Superstars Invitational Tournament

Europe

European Poker Tour (2004-)
Late Night Poker (1999-2002 only)
Poker Million (2000, 2003-)
World Heads-Up Poker Championship
World Speed Poker Open
Grand Prix de Paris (now part of the World Poker Tour)
British Open