Links: Tournaments and Meetings
The IPCS Calendar of conferences and meetings relating to playing-cards.
The Mind Sports Olympiad, an annual tournament for board games and (a few) card games.
Grandprix Card Tournaments organises the World Series of Spades, Hearts, Euchre, Bid Whist and Double Deck Pinochle.
For Poker players, the Face to Face Poker page lists several sites that carry information on local Poker games and Tournaments.