On 6 April 1974 the song was the winning entry for Sweden in the 1974 Eurovision Song Contest . The victory began ABBA 's path to worldwide fame . The Swedish version of the single was a double A-side with " Honey , Honey " ( Swedish version ) , while the English version usually featured " Watch Out " on the B-side
1974 Eurovision Song Contest
Eurovision Song Contest 1974
Waterloo (ABBA song)