High Quality Content by WIKIPEDIA articles! Waterloo is the second studio album by the Swedish pop group ABBA. It was originally released in Sweden on 4 March 1974 through Polar Music. The album`s title track won ABBA the 1974 Eurovision Song Contest. Waterloo was first released on CD in Sweden in 1988; a West German CD release followed in 1990 (later released internationally). The album has been reissued in digitally remastered form three times; first in 1997, then in 2001 and again in 2005 as part of The Complete Studio Recordings box set. It was also released as a special 30th Anniversary edition in 2004, celebrating 30 years of the group`s victory in the Eurovision Song Contest.