The American Contract Bridge League (ACBL) was founded in 1937. Today it is the largest bridge organization in the world, with more than 160,000 members. A not-for-profit organization, the ACBL determines internationally recognized rules of bridge, sanctions clubs and tournament games, and encourages participation at all levels of proficiency and experience. The mission of the American Contract Bridge League (ACBL) is to promote the fun and challenge of bridge and support educational and playing opportunities for bridge enthusiasts throughout North America. The American Contract Bridge League will hold its Summer North American Bridge Championships for the first time in Nashville July 19-29. Expected attendance is over 5,000 and the group will be hosted by the Nashville Convention Center and Downtown Hotels.