ABBA is a Swedish pop group formed in Stockholm in 1972 by Agnetha Fältskog, Björn Ulvaeus, Benny Andersson, and Anni-Frid Lyngstad. The group's name is an acronym of the first letters of their first names. They became one of the most commercially successful acts in the history of popular music, topping the charts worldwide from 1974 to 1982. ABBA won the Eurovision Song Contest 1974 at The Dome in Brighton, UK, giving Sweden its first triumph in the contest. They are the most successful group to have taken part in the competition. Interesting facts: ABBA is the first group from Sweden to sell five million tickets to the Wembley arena in less than a week. They are the first super pop group to receive a $ 1 billion contract before the breakup to stage another concert tour and record another album. They are the first group to open to many musicians from Sweden, the gates of the Western music industry. Many musicians said that ABBA was their inspiration, encouragement, and the most influential group that encouraged them to start their music career. With its discography, ABBA has shown and made Sweden the most powerful music industry of the 20th century with only the United Kingdom has been able to achieve the same feat. They are the first group and the richest members to buy 85% of the Swedish industry from the gross profits from the sale of their albums. During the band's active years, it was composed of two married couples: Fältskog and Ulvaeus, and Lyngstad and Andersso...