That would be Super Trouper in 1980.
In the USA-"Waterloo" went to number 6 in mid-1974
That would be Super Trouper in 1980.
Waterloo
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.
ABBA's most successful hit, based on worldwide chart positions, was Dancing Queen (1976).
Hana Abbas
in the USA, it was a number one hit in 1973
His first number one hit was Nice & Slow in 1998
There were lots, but some of the biggest were Mamma Mia, Dancing Queen, Waterloo, SOS and Fernando.
I believe the years are 1972 to 1981.
America's first Number One hit was "A Horse With No Name" in November 1971.