Der Racquet and Tennis Club, New York City, tagte am 21.02.1931, um sich zusammen mit anderen Clubs auf einheitliche Spielregeln für Backgammon zu einigen. Dies gelang. ###>During a meeting of the Racquet and Tennis Club, New York City, on February 21, 1931, at which a number of clubs were represented, rules for playing backgammon were formulated and agreed upon.