The American Cup is an elite senior level international gymnastics competition held in the United States, and is generally considered to be one of the first major competitions of the Gymnastics season, as it is held in March or February of each year. It is part of the Artistic Gymnastics World Cup series. In 1978-79 the event was sponsored by Dial and hence was known as the Dial American Cup. After Dial dropped sponsorship it went through several name changes including the McDonald's American Cup, Visa American Cup, Tyson American Cup and AT&T American Cup. With the exception of 2005, it has been exclusively an all-around competition. Past champions have included Olympic all around champions Nadia Comăneci, Mary Lou Retton, Carly Patterson, and Nastia Liukin. The American Cup has been controversial, with accusations of biased judging in favor of American gymnasts.