The first official duplicate mahjong event in the United States took place in Atlantic City, New Jersey during the Oct 21-23 Mah-Jongg Tournament hosted by Four Seasons Mah-Jongg, sanctioned by the American Duplicate Mahjong Association (ADMA), and observed by the Mahjong International League (MIL), playing the National Mah-Jongg League rules in the beautiful Harrah's Casino and Hotel Convention Center, with 176 attendees.
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