" Waterloo " swept to victory at the Swedish heats and the group represented Sweden in Brighton for the Eurovision Song Contest 1974 . ABBA won the contest and " Waterloo " became not only a massive hit in Europe but all over the world ( peaking at No. 6 in the US for example ) . In Sweden , the album had already been released and topped the Swedish album charts for 12 weeks , becoming one of the biggest-selling Swedish albums ever to that point . In the UK the album made No. 28 , the first time a foreign Eurovision act had charted an album and it performed well in the rest of Europe
Eurovision Song Contest 1974
Eurovision Song Contest 1974
Waterloo (album)