The first ABBA single ever to reach number one was their second release, "He is Your Brother", which reached #1 on the Swedish radio airplay chart after being released in November 1972. (Their first single, "People Need Love", peaked at #3 in Sweden.) ABBA's first #1 outside Sweden was "Ring Ring", which reached #1 in Belgium in early 1973. Their first record to hit #1 in an English-speaking country was "Waterloo" in the spring of 1974.
In the USA-"Waterloo" went to number 6 in mid-1974
Waterloo
That would be Super Trouper in 1980.
There first smash hit was All Time Low.
Stevie Wonder
If you're thinking of Abba, as a single it reached No 2 in South Africa and No 33 in UK. But as a track on ABBAs Greatest Hits and ABBA The Movie it hit No 1 all over the world.
His first song to hit the charts in the USA was Border Song, which peaked at number 92 in August, 1970
ABBA's most successful hit, based on worldwide chart positions, was Dancing Queen (1976).
In the US, their first hit was Not Fade Away, which peaked at number 48 in May, 1964
their first single was love me do and their first number one hit was please please me on the UK charts.
There were lots, but some of the biggest were Mamma Mia, Dancing Queen, Waterloo, SOS and Fernando.
The name of the first album by the Hoppers was called "Danger Zone" This album hit over a billion copies all over the world and hit the number one list for 2 weeks.