UNO Launches Yearlong Lineup of Products, Partnerships and Celebratory Events to Commemorate 50th Anniversary Mattel is launching a full year of new products, partnerships and events to commemorate the 50th anniversary of Uno. Uno was originally developed in 1971 by Merle Robbins of Reading, Ohio, who played it with family and friends. As it became … Continue reading UNO Celebrates A Half Century of Fun and Games