National Basketball Association

The National Basketball Association (a.k.a. NBA) is a professional basketball league in America. It was founded on June 6, 1946. The inaugural season was 1946–47. The current commissioner is David Stern. It has 30 teams divided into the Western and Eastern Conferences. As of 2009 the NBA has handed out 63 NBA Championships, 32 of which were won by the Los Angeles Lakers and Boston Celtics.